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BOSTON MARATHON 2026

Monica Lee

Bib: 10857•F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 43%
Masters (Masters Women)
#0 / 6862
Top 28%
Age Group (F50-54)
#0 / 1233
Top 22%
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
25:43
3.11 mi
Rank: #18733
Start → 5K
25:43 | 8:17/mi
10K
50:06
6.21 mi
Rank: #17532 (+1201)
5K → 10K
24:23 | 7:51/mi
15K
1:14:59
9.32 mi
Rank: #17391 (+141)
10K → 15K
24:53 | 8:01/mi
20K
1:40:09
12.43 mi
Rank: #17253 (+138)
15K → 20K
25:10 | 8:07/mi
HALF
1:45:25
13.11 mi
Rank: #17124 (+129)
20K → HALF
5:16 | 7:44/mi
25K
2:04:52
15.53 mi
Rank: #16862 (+262)
HALF → 25K
19:27 | 8:02/mi
30K
2:30:30
18.64 mi
Rank: #16535 (+327)
25K → 30K
25:38 | 8:16/mi
20M
2:41:58
20.00 mi
Rank: #16455 (+80)
30K → 20M
11:28 | 8:27/mi
21M
2:50:47
21.00 mi
Rank: #16345 (+110)
20M → 21M
8:49 | 8:49/mi
35K
2:56:34
21.75 mi
Rank: #16184 (+161)
21M → 35K
5:47 | 7:44/mi
23M
3:06:54
23.00 mi
Rank: #16028 (+156)
35K → 23M
10:20 | 8:16/mi
24M
3:14:49
24.00 mi
Rank: #15911 (+117)
23M → 24M
7:55 | 7:55/mi
40K
3:21:55
24.85 mi
Rank: #15836 (+75)
24M → 40K
7:06 | 8:19/mi
25.2M
3:24:57
25.20 mi
Rank: #15789 (+47)
40K → 25.2M
3:02 | 8:48/mi
FINISH
3:33:07
26.22 mi
Rank: #15751 (+38)
25.2M → FINISH
8:10 | 8:01/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
Time1:47:42
Pace8:13 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:0525:438:1725:43
8:17
-
10K
6.21 mi12:12:2850:068:0424:23
7:51
-0:26
15K
9.32 mi12:37:211:14:598:0324:53
8:01
+0:10
20K
12.43 mi13:02:311:40:098:0425:10
8:07
+0:06
HALF
13.11 mi13:07:471:45:258:035:16
7:44
-0:23
25K
15.53 mi13:27:142:04:528:0319:27
8:02
+0:18
30K
18.64 mi13:52:522:30:308:0525:38
8:16
+0:14
20M
20.00 mi14:04:202:41:588:0611:28
8:27
+0:11
21M
21.00 mi14:13:092:50:478:088:49
8:49
+0:22
35K
21.75 mi14:18:562:56:348:085:47
7:44
-1:05
23M
23.00 mi14:29:163:06:548:0810:20
8:16
+0:32
24M
24.00 mi14:37:113:14:498:087:55
7:55
-0:21
40K
24.85 mi14:44:173:21:558:087:06
8:19
+0:24
25.2M
25.20 mi14:47:193:24:578:083:02
8:48
+0:29
FINISH
26.22 mi14:55:293:33:078:098:10
8:01
-0:47

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

7:44 /mi

Average Pace

8:08 /mi

Slowest Pace

8:49 /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

3:21:16

94% of race

Time at Steady Pace

11:51

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:08 /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 mi11:48:0525:438:1725:43
8:17
#18733
10K
6.21 mi12:12:2850:068:0424:23
7:51
#17532
15K
9.32 mi12:37:211:14:598:0324:53
8:01
#17391
20K
12.43 mi13:02:311:40:098:0425:10
8:07
#17253
HALF
13.11 mi13:07:471:45:258:035:16
7:44
#17124
25K
15.53 mi13:27:142:04:528:0319:27
8:02
#16862
30K
18.64 mi13:52:522:30:308:0525:38
8:16
#16535
20M
20.00 mi14:04:202:41:588:0611:28
8:27
#16455
21M
21.00 mi14:13:092:50:478:088:49
8:49
#16345
35K
21.75 mi14:18:562:56:348:085:47
7:44
#16184
23M
23.00 mi14:29:163:06:548:0810:20
8:16
#16028
24M
24.00 mi14:37:113:14:498:087:55
7:55
#15911
40K
24.85 mi14:44:173:21:558:087:06
8:19
#15836
25.2M
25.20 mi14:47:193:24:578:083:02
8:48
#15789
FINISH
26.22 mi14:55:293:33:078:098:10
8:01
#15751
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi187336923692317100(Top 59%)5964(Top 47%)5964(Top 484%)
10K6.21 mi3.10 mi17532+12016224+6996224+69916056(Top 55%)5339(Top 42%)5339(Top 433%)
15K9.32 mi3.11 mi17391+1416158+666158+6617100(Top 59%)5964(Top 47%)5964(Top 484%)
20K12.43 mi3.11 mi17253+1386076+826076+8216859(Top 58%)5853(Top 47%)5853(Top 475%)
HALF13.11 mi0.68 mi17124+1296001+756001+7515046(Top 52%)4767(Top 38%)4767(Top 387%)
25K15.53 mi2.42 mi16862+2625857+1445857+14415585(Top 54%)5188(Top 41%)5188(Top 421%)
30K18.64 mi3.11 mi16535+3275716+1415716+14115273(Top 53%)5124(Top 41%)5124(Top 416%)
20M20.00 mi1.36 mi16455+805683+335683+3315868(Top 55%)5566(Top 44%)5566(Top 451%)
21M21.00 mi1.00 mi16345+1105635+485635+4815113(Top 52%)5200(Top 41%)5200(Top 422%)
35K21.75 mi0.75 mi16184+1615570+655570+6512623(Top 43%)3897(Top 31%)3897(Top 316%)
23M23.00 mi1.25 mi16028+1565503+675503+6714203(Top 49%)4821(Top 38%)4821(Top 391%)
24M24.00 mi1.00 mi15911+1175451+525451+5213193(Top 45%)4371(Top 35%)4371(Top 355%)
40K24.85 mi0.85 mi15836+755421+305421+3014516(Top 50%)5172(Top 41%)5172(Top 419%)
25.2M25.20 mi0.35 mi15789+475401+205401+2013594(Top 47%)4689(Top 37%)4689(Top 380%)
FINISH26.22 mi1.02 mi15751+385402-15402-115284(Top 53%)5581(Top 44%)5581(Top 453%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21
+97ft-345ft

Overall

17100

Females

5964

F50-54

5964

5K→10K

3.1 - 6.2 mi

Top 55%
×5
+79ft-138ft

Overall

16056

Females

5339

F50-54

5339

10K→15K

6.2 - 9.3 mi

Top 59%
×3
+67ft-78ft

Overall

17100

Females

5964

F50-54

5964

15K→20K

9.3 - 12.4 mi

Top 58%
×5
+106ft-86ft

Overall

16859

Females

5853

F50-54

5853

20K→HALF

12.4 - 13.1 mi

Top 52%
×2
+19ft-37ft

Overall

15046

Females

4767

F50-54

4767

HALF→25K

13.1 - 15.5 mi

Top 54%
×4
+66ft-88ft

Overall

15585

Females

5188

F50-54

5188

25K→30K

15.5 - 18.6 mi

Top 53%
×9
+181ft-148ft

Overall

15273

Females

5124

F50-54

5124

30K→20M

18.6 - 20.0 mi

Top 55%
×5
+64ft-50ft

Overall

15868

Females

5566

F50-54

5566

20M→21M

20.0 - 21.0 mi

Top 52%
×8
+106ft-24ft

Overall

15113

Females

5200

F50-54

5200

21M→35K

21.0 - 21.8 mi

Top 43%
×7
+17ft-86ft

Overall

12623

Females

3897

F50-54

3897

35K→23M

21.8 - 23.0 mi

Top 49%
×5
+23ft-63ft

Overall

14203

Females

4821

F50-54

4821

23M→24M

23.0 - 24.0 mi

Top 45%
×6
+12ft-82ft

Overall

13193

Females

4371

F50-54

4371

24M→40K

24.0 - 24.9 mi

Top 50%
×1
+6ft-20ft

Overall

14516

Females

5172

F50-54

5172

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1
+13ft-16ft

Overall

13594

Females

4689

F50-54

4689

25.2M→FINISH

25.2 - 26.2 mi

Top 53%
×2
+22ft-21ft

Overall

15284

Females

5581

F50-54

5581

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3524
Passed By
542
Net Change
+2982
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18733
5K → 10K123029+1201#18733#17532
10K → 15K271130+141#17532#17391
15K → 20K238100+138#17391#17253
20K → HALF1334+129#17253#17124
HALF → 25K28826+262#17124#16862
25K → 30K37851+327#16862#16535
30K → 20M12848+80#16535#16455
20M → 21M14535+110#16455#16345
21M → 35K1687+161#16345#16184
35K → 23M18125+156#16184#16028
23M → 24M13215+117#16028#15911
24M → 40K10530+75#15911#15836
40K → 25.2M547+47#15836#15789
25.2M → FINISH7335+38#15789#15751
TOTALS3524542+2982
📊

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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing