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BOSTON MARATHON 2026

Ellen Suh

Bib: 21506•F

CA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 47%
Masters (Masters Women)
#0 / 6862
Top 34%
Age Group (F45-49)
#0 / 1786
Top 42%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
25:13
3.11 mi
Rank: #17715
Start → 5K
25:13 | 8:07/mi
10K
50:18
6.21 mi
Rank: #17740 (-25)
5K → 10K
25:05 | 8:05/mi
15K
1:15:17
9.32 mi
Rank: #17607 (+133)
10K → 15K
24:59 | 8:03/mi
20K
1:40:08
12.43 mi
Rank: #17248 (+359)
15K → 20K
24:51 | 8:00/mi
HALF
1:45:25
13.11 mi
Rank: #17127 (+121)
20K → HALF
5:17 | 7:46/mi
25K
2:04:39
15.53 mi
Rank: #16749 (+378)
HALF → 25K
19:14 | 7:56/mi
30K
2:30:23
18.64 mi
Rank: #16502 (+247)
25K → 30K
25:44 | 8:17/mi
20M
2:41:50
20.00 mi
Rank: #16406 (+96)
30K → 20M
11:27 | 8:26/mi
21M
2:50:54
21.00 mi
Rank: #16385 (+21)
20M → 21M
9:04 | 9:04/mi
35K
2:57:09
21.75 mi
Rank: #16364 (+21)
21M → 35K
6:15 | 8:22/mi
23M
3:07:58
23.00 mi
Rank: #16354 (+10)
35K → 23M
10:49 | 8:39/mi
24M
3:16:33
24.00 mi
Rank: #16394 (-40)
23M → 24M
8:35 | 8:35/mi
40K
3:24:13
24.85 mi
Rank: #16449 (-55)
24M → 40K
7:40 | 8:59/mi
25.2M
3:27:36
25.20 mi
Rank: #16489 (-40)
40K → 25.2M
3:23 | 9:49/mi
FINISH
3:36:37
26.22 mi
Rank: #16638 (-149)
25.2M → FINISH
9:01 | 8:51/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:45:25
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:51:12
Pace8:29 /mi
📊Positive Split: 5.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:34:0225:138:0725:13
8:07
-
10K
6.21 mi11:59:0750:188:0625:05
8:05
-0:02
15K
9.32 mi12:24:061:15:178:0524:59
8:03
-0:02
20K
12.43 mi12:48:571:40:088:0424:51
8:00
-0:03
HALF
13.11 mi12:54:141:45:258:035:17
7:46
-0:14
25K
15.53 mi13:13:282:04:398:0219:14
7:56
+0:10
30K
18.64 mi13:39:122:30:238:0525:44
8:17
+0:21
20M
20.00 mi13:50:392:41:508:0611:27
8:26
+0:09
21M
21.00 mi13:59:432:50:548:099:04
9:04
+0:38
35K
21.75 mi14:05:582:57:098:096:15
8:22
-0:42
23M
23.00 mi14:16:473:07:588:1110:49
8:39
+0:17
24M
24.00 mi14:25:223:16:338:128:35
8:35
-0:04
40K
24.85 mi14:33:023:24:138:137:40
8:59
+0:24
25.2M
25.20 mi14:36:253:27:368:153:23
9:49
+0:50
FINISH
26.22 mi14:45:263:36:378:179:01
8:51
-0:58

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:46 /mi

Average Pace

8:16 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:39:26

46% of race

Time at Steady Pace

1:17:14

36% of race

Time at Slower Pace

39:57

18% of race

Average Pace: 8:16 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:34:0225:138:0725:13
8:07
#17715
10K
6.21 mi11:59:0750:188:0625:05
8:05
#17740
15K
9.32 mi12:24:061:15:178:0524:59
8:03
#17607
20K
12.43 mi12:48:571:40:088:0424:51
8:00
#17248
HALF
13.11 mi12:54:141:45:258:035:17
7:46
#17127
25K
15.53 mi13:13:282:04:398:0219:14
7:56
#16749
30K
18.64 mi13:39:122:30:238:0525:44
8:17
#16502
20M
20.00 mi13:50:392:41:508:0611:27
8:26
#16406
21M
21.00 mi13:59:432:50:548:099:04
9:04
#16385
35K
21.75 mi14:05:582:57:098:096:15
8:22
#16364
23M
23.00 mi14:16:473:07:588:1110:49
8:39
#16354
24M
24.00 mi14:25:223:16:338:128:35
8:35
#16394
40K
24.85 mi14:33:023:24:138:137:40
8:59
#16449
25.2M
25.20 mi14:36:253:27:368:153:23
9:49
#16489
FINISH
26.22 mi14:45:263:36:378:179:01
8:51
#16638
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi177156341634117332(Top 60%)6102(Top 49%)6102(Top 342%)
10K6.21 mi3.10 mi17740-256339+26339+217794(Top 61%)6375(Top 51%)6375(Top 357%)
15K9.32 mi3.11 mi17607+1336271+686271+6817332(Top 60%)6102(Top 49%)6102(Top 342%)
20K12.43 mi3.11 mi17248+3596073+1986073+19816124(Top 56%)5446(Top 43%)5446(Top 305%)
HALF13.11 mi0.68 mi17127+1216004+696004+6915270(Top 53%)4906(Top 39%)4906(Top 275%)
25K15.53 mi2.42 mi16749+3785794+2105794+21014879(Top 51%)4812(Top 38%)4812(Top 269%)
30K18.64 mi3.11 mi16502+2475698+965698+9615518(Top 53%)5260(Top 42%)5260(Top 295%)
20M20.00 mi1.36 mi16406+965657+415657+4115797(Top 54%)5533(Top 44%)5533(Top 310%)
21M21.00 mi1.00 mi16385+215662-55662-516499(Top 57%)5968(Top 47%)5968(Top 334%)
35K21.75 mi0.75 mi16364+215659+35659+316788(Top 58%)6199(Top 49%)6199(Top 347%)
23M23.00 mi1.25 mi16354+105677-185677-1816575(Top 57%)6181(Top 49%)6181(Top 346%)
24M24.00 mi1.00 mi16394-405719-425719-4217395(Top 60%)6679(Top 53%)6679(Top 374%)
40K24.85 mi0.85 mi16449-555775-565775-5618244(Top 63%)7164(Top 57%)7164(Top 401%)
25.2M25.20 mi0.35 mi16489-405806-315806-3118688(Top 64%)7376(Top 59%)7376(Top 413%)
FINISH26.22 mi1.02 mi16638-1495903-975903-9719866(Top 68%)8012(Top 64%)8012(Top 449%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21
+97ft-345ft

Overall

17332

Females

6102

F45-49

6102

5K→10K

3.1 - 6.2 mi

Top 61%
×5
+79ft-138ft

Overall

17794

Females

6375

F45-49

6375

10K→15K

6.2 - 9.3 mi

Top 60%
×3
+67ft-78ft

Overall

17332

Females

6102

F45-49

6102

15K→20K

9.3 - 12.4 mi

Top 56%
×5
+106ft-86ft

Overall

16124

Females

5446

F45-49

5446

20K→HALF

12.4 - 13.1 mi

Top 53%
×2
+19ft-37ft

Overall

15270

Females

4906

F45-49

4906

HALF→25K

13.1 - 15.5 mi

Top 51%
×4
+66ft-88ft

Overall

14879

Females

4812

F45-49

4812

25K→30K

15.5 - 18.6 mi

Top 53%
×9
+181ft-148ft

Overall

15518

Females

5260

F45-49

5260

30K→20M

18.6 - 20.0 mi

Top 54%
×5
+64ft-50ft

Overall

15797

Females

5533

F45-49

5533

20M→21M

20.0 - 21.0 mi

Top 57%
×8
+106ft-24ft

Overall

16499

Females

5968

F45-49

5968

21M→35K

21.0 - 21.8 mi

Top 58%
×7
+17ft-86ft

Overall

16788

Females

6199

F45-49

6199

35K→23M

21.8 - 23.0 mi

Top 57%
×5
+23ft-63ft

Overall

16575

Females

6181

F45-49

6181

23M→24M

23.0 - 24.0 mi

Top 60%
×6
+12ft-82ft

Overall

17395

Females

6679

F45-49

6679

24M→40K

24.0 - 24.9 mi

Top 63%
×1
+6ft-20ft

Overall

18244

Females

7164

F45-49

7164

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1
+13ft-16ft

Overall

18688

Females

7376

F45-49

7376

25.2M→FINISH

25.2 - 26.2 mi

Top 68%
×2
+22ft-21ft

Overall

19866

Females

8012

F45-49

8012

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2308
Passed By
1231
Net Change
+1077
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17715
5K → 10K261286-25#17715#17740
10K → 15K251118+133#17740#17607
15K → 20K39132+359#17607#17248
20K → HALF1265+121#17248#17127
HALF → 25K38810+378#17127#16749
25K → 30K32477+247#16749#16502
30K → 20M13640+96#16502#16406
20M → 21M9675+21#16406#16385
21M → 35K7655+21#16385#16364
35K → 23M10191+10#16364#16354
23M → 24M5595-40#16354#16394
24M → 40K54109-55#16394#16449
40K → 25.2M2060-40#16449#16489
25.2M → FINISH29178-149#16489#16638
TOTALS23081231+1077
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Export & Support

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Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing