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BOSTON MARATHON 2025

Michelle Peng

Bib: 29216•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:10
Rank: #25644
Start → 5K
31:10 | 10:02/mi
10K· 6.21 mi
1:02:45
Rank: #25644
5K → 10K
31:35 | 10:10/mi
15K· 9.32 mi
1:35:26
Rank: #25794 (-150)
10K → 15K
32:41 | 10:31/mi
20K· 12.43 mi
2:09:34
Rank: #25848 (-54)
15K → 20K
34:08 | 10:59/mi
Half· 13.11 mi
2:16:34
Rank: #25833 (+15)
20K → Half
7:00 | 10:16/mi
25K· 15.53 mi
2:45:03
Rank: #25913 (-80)
Half → 25K
28:29 | 11:45/mi
30K· 18.64 mi
3:23:06
Rank: #25903 (+10)
25K → 30K
38:03 | 12:15/mi
20M
3:38:59
Rank: #25811 (+92)
30K → 20M
15:53 | 11:41/mi
21M
3:51:12
Rank: #25743 (+68)
20M → 21M
12:13 | 12:13/mi
35K· 21.75 mi
3:59:15
Rank: #25681 (+62)
21M → 35K
8:03 | 10:46/mi
23M
4:14:13
Rank: #25678 (+3)
35K → 23M
14:58 | 11:57/mi
24M
4:27:12
Rank: #25750 (-72)
23M → 24M
12:59 | 12:59/mi
40K· 24.85 mi
4:38:17
Rank: #25781 (-31)
24M → 40K
11:05 | 12:58/mi
25.2M
4:42:51
Rank: #25790 (-9)
40K → 25.2M
4:34 | 13:15/mi
Finish· 26.22 mi
4:54:24
Rank: #25815 (-25)
25.2M → Finish
11:33 | 11:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:16:34
Pace10:25 /mi
2nd Half
Distance13.11 mi
Time2:37:50
Pace12:02 /mi
📊Positive Split: 15.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:2931:1010:0231:10
10:02
-
10K
6.21 mi12:22:041:02:4510:0631:35
10:10
+0:08
15K
9.32 mi12:54:451:35:2610:1432:41
10:31
+0:21
20K
12.43 mi13:28:532:09:3410:2634:08
10:59
+0:28
Half
13.11 mi13:35:532:16:3410:257:00
10:16
-0:43
25K
15.53 mi14:04:222:45:0310:3728:29
11:45
+1:29
30K
18.64 mi14:42:253:23:0610:5438:03
12:15
+0:30
20M
20.00 mi14:58:183:38:5910:5715:53
11:41
-0:34
21M
21.00 mi15:10:313:51:1211:0112:13
12:13
+0:32
35K
21.75 mi15:18:343:59:1511:008:03
10:46
-1:27
23M
23.00 mi15:33:324:14:1311:0314:58
11:57
+1:11
24M
24.00 mi15:46:314:27:1211:0812:59
12:59
+1:02
40K
24.85 mi15:57:364:38:1711:1211:05
12:58
-0:01
25.2M
25.20 mi16:02:104:42:5111:134:34
13:15
+0:17
Finish
26.22 mi16:13:434:54:2411:1411:33
11:20
-1:55

Checkpoints & Pacing

📈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

10:02 /mi

Average Pace

11:14 /mi

Slowest Pace

13:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:24:37

49% of race

Time at Steady Pace

1:10:53

24% of race

Time at Slower Pace

1:18:54

27% of race

Average Pace: 11:14 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:50:2931:1010:0231:10
10:02
#25644
10K
6.21 mi12:22:041:02:4510:0631:35
10:10
#25644
15K
9.32 mi12:54:451:35:2610:1432:41
10:31
#25794
20K
12.43 mi13:28:532:09:3410:2634:08
10:59
#25848
Half
13.11 mi13:35:532:16:3410:257:00
10:16
#25833
25K
15.53 mi14:04:222:45:0310:3728:29
11:45
#25913
30K
18.64 mi14:42:253:23:0610:5438:03
12:15
#25903
20M
20.00 mi14:58:183:38:5910:5715:53
11:41
#25811
21M
21.00 mi15:10:313:51:1211:0112:13
12:13
#25743
35K
21.75 mi15:18:343:59:1511:008:03
10:46
#25681
23M
23.00 mi15:33:324:14:1311:0314:58
11:57
#25678
24M
24.00 mi15:46:314:27:1211:0812:59
12:59
#25750
40K
24.85 mi15:57:364:38:1711:1211:05
12:58
#25781
25.2M
25.20 mi16:02:104:42:5111:134:34
13:15
#25790
Finish
26.22 mi16:13:434:54:2411:1411:33
11:20
#25815
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25644105571055725974(Top 91%)10776(Top 88%)10776(Top 197%)
10K6.21 mi3.10 mi2564410578-2110578-2125663(Top 90%)10613(Top 87%)10613(Top 194%)
15K9.32 mi3.11 mi25794-15010664-8610664-8625974(Top 91%)10776(Top 88%)10776(Top 197%)
20K12.43 mi3.11 mi25848-5410706-4210706-4225971(Top 91%)10794(Top 88%)10794(Top 197%)
Half13.11 mi0.68 mi25833+1510694+1210694+1225353(Top 89%)10469(Top 86%)10469(Top 191%)
25K15.53 mi2.42 mi25913-8010748-5410748-5426153(Top 92%)10943(Top 89%)10943(Top 200%)
30K18.64 mi3.11 mi25903+1010769-2110769-2125876(Top 91%)10878(Top 89%)10878(Top 199%)
20M20.00 mi1.36 mi25811+9210739+3010739+3024835(Top 87%)10382(Top 85%)10382(Top 190%)
21M21.00 mi1.00 mi25743+6810715+2410715+2423944(Top 84%)10004(Top 82%)10004(Top 183%)
35K21.75 mi0.75 mi25681+6210687+2810687+2823693(Top 83%)9903(Top 81%)9903(Top 181%)
23M23.00 mi1.25 mi25678+310701-1410701-1425041(Top 88%)10627(Top 87%)10627(Top 194%)
24M24.00 mi1.00 mi25750-7210751-5010751-5026833(Top 94%)11547(Top 94%)11547(Top 211%)
40K24.85 mi0.85 mi25781-3110777-2610777-2626252(Top 92%)11269(Top 92%)11269(Top 206%)
25.2M25.20 mi0.35 mi25790-910783-610783-625315(Top 89%)10849(Top 89%)10849(Top 198%)
Finish26.22 mi1.02 mi25815-2510801-1810801-1825900(Top 91%)11099(Top 91%)11099(Top 203%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21stories
+97ft-345ft

Overall

25974

Females

10776

F18-39

10776

5K→10K

3.1 - 6.2 mi

Top 90%
×5stories
+79ft-138ft

Overall

25663

Females

10613

F18-39

10613

10K→15K

6.2 - 9.3 mi

Top 91%
×3stories
+67ft-78ft

Overall

25974

Females

10776

F18-39

10776

15K→20K

9.3 - 12.4 mi

Top 91%
×5stories
+106ft-86ft

Overall

25971

Females

10794

F18-39

10794

20K→Half

12.4 - 13.1 mi

Top 89%
×2stories
+19ft-37ft

Overall

25353

Females

10469

F18-39

10469

Half→25K

13.1 - 15.5 mi

Top 92%
×4stories
+66ft-88ft

Overall

26153

Females

10943

F18-39

10943

25K→30K

15.5 - 18.6 mi

Top 91%
×9stories
+181ft-148ft

Overall

25876

Females

10878

F18-39

10878

30K→20M

18.6 - 20.0 mi

Top 87%
×5stories
+64ft-50ft

Overall

24835

Females

10382

F18-39

10382

20M→21M

20.0 - 21.0 mi

Top 84%
×8stories
+106ft-24ft

Overall

23944

Females

10004

F18-39

10004

21M→35K

21.0 - 21.8 mi

Top 83%
×7stories
+17ft-86ft

Overall

23693

Females

9903

F18-39

9903

35K→23M

21.8 - 23.0 mi

Top 88%
×5stories
+23ft-63ft

Overall

25041

Females

10627

F18-39

10627

23M→24M

23.0 - 24.0 mi

Top 94%
×6stories
+12ft-82ft

Overall

26833

Females

11547

F18-39

11547

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

26252

Females

11269

F18-39

11269

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

25315

Females

10849

F18-39

10849

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2stories
+22ft-21ft

Overall

25900

Females

11099

F18-39

11099

Passing Analysis

Category:
Athletes Passed
940
Passed By
1111
Net Change
-171
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25644
5K → 10K1961960#25644#25644
10K → 15K77227-150#25644#25794
15K → 20K114168-54#25794#25848
20K → Half2712+15#25848#25833
Half → 25K63143-80#25833#25913
25K → 30K10898+10#25913#25903
30K → 20M10715+92#25903#25811
20M → 21M7810+68#25811#25743
21M → 35K664+62#25743#25681
35K → 23M4340+3#25681#25678
23M → 24M1688-72#25678#25750
24M → 40K2253-31#25750#25781
40K → 25.2M716-9#25781#25790
25.2M → Finish1641-25#25790#25815
TOTALS9401111-171
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing