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BOSTON MARATHON 2026

Erica Stein

Bib: 21573•F

MD

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Top 49%
Age Group (F45-49)
#0 / 1786
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
26:14
3.11 mi
Rank: #19761
Start → 5K
26:14 | 8:27/mi
10K
52:22
6.21 mi
Rank: #19769 (-8)
5K → 10K
26:08 | 8:25/mi
15K
1:18:27
9.32 mi
Rank: #19667 (+102)
10K → 15K
26:05 | 8:24/mi
20K
1:44:40
12.43 mi
Rank: #19481 (+186)
15K → 20K
26:13 | 8:27/mi
HALF
1:50:18
13.11 mi
Rank: #19451 (+30)
20K → HALF
5:38 | 8:16/mi
25K
2:11:30
15.53 mi
Rank: #19525 (-74)
HALF → 25K
21:12 | 8:45/mi
30K
2:39:02
18.64 mi
Rank: #19399 (+126)
25K → 30K
27:32 | 8:52/mi
20M
2:50:59
20.00 mi
Rank: #19276 (+123)
30K → 20M
11:57 | 8:48/mi
21M
3:00:28
21.00 mi
Rank: #19206 (+70)
20M → 21M
9:29 | 9:29/mi
35K
3:07:02
21.75 mi
Rank: #19187 (+19)
21M → 35K
6:34 | 8:47/mi
23M
3:18:17
23.00 mi
Rank: #19157 (+30)
35K → 23M
11:15 | 9:00/mi
24M
3:26:56
24.00 mi
Rank: #19090 (+67)
23M → 24M
8:39 | 8:39/mi
40K
3:34:36
24.85 mi
Rank: #19057 (+33)
24M → 40K
7:40 | 8:59/mi
25.2M
3:38:10
25.20 mi
Rank: #19095 (-38)
40K → 25.2M
3:34 | 10:21/mi
FINISH
3:47:16
26.22 mi
Rank: #19149 (-54)
25.2M → FINISH
9:06 | 8:56/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:50:18
Pace8:25 /mi
2nd Half
Distance13.11 mi
Time1:56:58
Pace8:56 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:2626:148:2726:14
8:27
-
10K
6.21 mi11:53:3452:228:2626:08
8:25
-0:02
15K
9.32 mi12:19:391:18:278:2626:05
8:24
-0:01
20K
12.43 mi12:45:521:44:408:2626:13
8:27
+0:03
HALF
13.11 mi12:51:301:50:188:255:38
8:16
-0:11
25K
15.53 mi13:12:422:11:308:2821:12
8:45
+0:29
30K
18.64 mi13:40:142:39:028:3227:32
8:52
+0:07
20M
20.00 mi13:52:112:50:598:3311:57
8:48
-0:04
21M
21.00 mi14:01:403:00:288:369:29
9:29
+0:41
35K
21.75 mi14:08:143:07:028:376:34
8:47
-0:42
23M
23.00 mi14:19:293:18:178:3811:15
9:00
+0:13
24M
24.00 mi14:28:083:26:568:388:39
8:39
-0:21
40K
24.85 mi14:35:483:34:368:397:40
8:59
+0:20
25.2M
25.20 mi14:39:223:38:108:403:34
10:21
+1:22
FINISH
26.22 mi14:48:283:47:168:419:06
8:56
-1:25

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

8:16 /mi

Average Pace

8:40 /mi

Slowest Pace

10:21 /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

1:50:18

49% of race

Time at Steady Pace

1:43:55

46% of race

Time at Slower Pace

13:03

6% of race

Average Pace: 8:40 /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 mi11:27:2626:148:2726:14
8:27
#19761
10K
6.21 mi11:53:3452:228:2626:08
8:25
#19769
15K
9.32 mi12:19:391:18:278:2626:05
8:24
#19667
20K
12.43 mi12:45:521:44:408:2626:13
8:27
#19481
HALF
13.11 mi12:51:301:50:188:255:38
8:16
#19451
25K
15.53 mi13:12:422:11:308:2821:12
8:45
#19525
30K
18.64 mi13:40:142:39:028:3227:32
8:52
#19399
20M
20.00 mi13:52:112:50:598:3311:57
8:48
#19276
21M
21.00 mi14:01:403:00:288:369:29
9:29
#19206
35K
21.75 mi14:08:143:07:028:376:34
8:47
#19187
23M
23.00 mi14:19:293:18:178:3811:15
9:00
#19157
24M
24.00 mi14:28:083:26:568:388:39
8:39
#19090
40K
24.85 mi14:35:483:34:368:397:40
8:59
#19057
25.2M
25.20 mi14:39:223:38:108:403:34
10:21
#19095
FINISH
26.22 mi14:48:283:47:168:419:06
8:56
#19149
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 mi197617505750519550(Top 67%)7342(Top 58%)7342(Top 411%)
10K6.21 mi3.10 mi19769-87489+167489+1619861(Top 68%)7518(Top 60%)7518(Top 421%)
15K9.32 mi3.11 mi19667+1027434+557434+5519550(Top 67%)7342(Top 58%)7342(Top 411%)
20K12.43 mi3.11 mi19481+1867331+1037331+10318951(Top 65%)7042(Top 56%)7042(Top 394%)
HALF13.11 mi0.68 mi19451+307315+167315+1618866(Top 65%)6988(Top 56%)6988(Top 391%)
25K15.53 mi2.42 mi19525-747367-527367-5219937(Top 69%)7626(Top 61%)7626(Top 427%)
30K18.64 mi3.11 mi19399+1267328+397328+3918907(Top 65%)7163(Top 57%)7163(Top 401%)
20M20.00 mi1.36 mi19276+1237278+507278+5017990(Top 62%)6754(Top 54%)6754(Top 378%)
21M21.00 mi1.00 mi19206+707245+337245+3318454(Top 64%)7039(Top 56%)7039(Top 394%)
35K21.75 mi0.75 mi19187+197248-37248-319026(Top 66%)7449(Top 59%)7449(Top 417%)
23M23.00 mi1.25 mi19157+307251-37251-318459(Top 64%)7199(Top 57%)7199(Top 403%)
24M24.00 mi1.00 mi19090+677245+67245+617787(Top 61%)6887(Top 55%)6887(Top 386%)
40K24.85 mi0.85 mi19057+337246-17246-118259(Top 63%)7179(Top 57%)7179(Top 402%)
25.2M25.20 mi0.35 mi19095-387270-247270-2420609(Top 71%)8364(Top 66%)8364(Top 468%)
FINISH26.22 mi1.02 mi19149-547312-427312-4220232(Top 70%)8196(Top 65%)8196(Top 459%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21
+97ft-345ft

Overall

19550

Females

7342

F45-49

7342

5K→10K

3.1 - 6.2 mi

Top 68%
×5
+79ft-138ft

Overall

19861

Females

7518

F45-49

7518

10K→15K

6.2 - 9.3 mi

Top 67%
×3
+67ft-78ft

Overall

19550

Females

7342

F45-49

7342

15K→20K

9.3 - 12.4 mi

Top 65%
×5
+106ft-86ft

Overall

18951

Females

7042

F45-49

7042

20K→HALF

12.4 - 13.1 mi

Top 65%
×2
+19ft-37ft

Overall

18866

Females

6988

F45-49

6988

HALF→25K

13.1 - 15.5 mi

Top 69%
×4
+66ft-88ft

Overall

19937

Females

7626

F45-49

7626

25K→30K

15.5 - 18.6 mi

Top 65%
×9
+181ft-148ft

Overall

18907

Females

7163

F45-49

7163

30K→20M

18.6 - 20.0 mi

Top 62%
×5
+64ft-50ft

Overall

17990

Females

6754

F45-49

6754

20M→21M

20.0 - 21.0 mi

Top 64%
×8
+106ft-24ft

Overall

18454

Females

7039

F45-49

7039

21M→35K

21.0 - 21.8 mi

Top 66%
×7
+17ft-86ft

Overall

19026

Females

7449

F45-49

7449

35K→23M

21.8 - 23.0 mi

Top 64%
×5
+23ft-63ft

Overall

18459

Females

7199

F45-49

7199

23M→24M

23.0 - 24.0 mi

Top 61%
×6
+12ft-82ft

Overall

17787

Females

6887

F45-49

6887

24M→40K

24.0 - 24.9 mi

Top 63%
×1
+6ft-20ft

Overall

18259

Females

7179

F45-49

7179

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1
+13ft-16ft

Overall

20609

Females

8364

F45-49

8364

25.2M→FINISH

25.2 - 26.2 mi

Top 70%
×2
+22ft-21ft

Overall

20232

Females

8196

F45-49

8196

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1717*
Passed By
1097
Net Change
+612
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19761
5K → 10K200200-8#19761#19769
10K → 15K220*118+102#19769#19667
15K → 20K245*59+186#19667#19481
20K → HALF4717+30#19481#19451
HALF → 25K98172-74#19451#19525
25K → 30K244*118+126#19525#19399
30K → 20M15128+123#19399#19276
20M → 21M11747+70#19276#19206
21M → 35K5536+19#19206#19187
35K → 23M10474+30#19187#19157
23M → 24M10740+67#19157#19090
24M → 40K7542+33#19090#19057
40K → 25.2M1452-38#19057#19095
25.2M → FINISH4094-54#19095#19149
TOTALS1717*1097+612

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing