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BOSTON MARATHON 2025

Madeline Gong

Bib: 28996•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
33:48
Rank: #27408
Start → 5K
10:53/mi
33:48 split
10K· 6.21 mi
1:08:32
Rank: #27357 (+51)
5K → 10K
11:11/mi
34:44 split
15K· 9.32 mi
1:43:17
Rank: #27178 (+179)
10K → 15K
11:11/mi
34:45 split
20K· 12.43 mi
2:17:55
Rank: #26921 (+257)
15K → 20K
11:09/mi
34:38 split
Half· 13.11 mi
2:25:06
Rank: #26861 (+60)
20K → Half
10:32/mi
7:11 split
25K· 15.53 mi
2:52:52
Rank: #26679 (+182)
Half → 25K
11:27/mi
27:46 split
30K· 18.64 mi
3:29:07
Rank: #26412 (+267)
25K → 30K
11:40/mi
36:15 split
20M
3:45:35
Rank: #26341 (+71)
30K → 20M
12:07/mi
16:28 split
21M
3:57:31
Rank: #26216 (+125)
20M → 21M
11:56/mi
11:56 split
35K· 21.75 mi
4:06:00
Rank: #26171 (+45)
21M → 35K
11:20/mi
8:29 split
23M
4:20:24
Rank: #26085 (+86)
35K → 23M
11:30/mi
14:24 split
24M
4:31:40
Rank: #26032 (+53)
23M → 24M
11:16/mi
11:16 split
40K· 24.85 mi
4:41:31
Rank: #25991 (+41)
24M → 40K
11:31/mi
9:51 split
25.2M
4:45:31
Rank: #25962 (+29)
40K → 25.2M
11:36/mi
4:00 split
Finish· 26.22 mi
4:55:37
Rank: #25880 (+82)
25.2M → Finish
9:55/mi
10:06 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:25:06
Pace11:04 /mi
2nd Half
Distance13.11 mi
Time2:30:31
Pace11:29 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:1233:4810:5333:48
10:53
-
10K
6.21 mi12:27:561:08:3211:0234:44
11:11
+0:18
15K
9.32 mi13:02:411:43:1711:0534:45
11:11
0:00
20K
12.43 mi13:37:192:17:5511:0634:38
11:09
-0:02
Half
13.11 mi13:44:302:25:0611:047:11
10:32
-0:37
25K
15.53 mi14:12:162:52:5211:0827:46
11:27
+0:55
30K
18.64 mi14:48:313:29:0711:1336:15
11:40
+0:13
20M
20.00 mi15:04:593:45:3511:1716:28
12:07
+0:27
21M
21.00 mi15:16:553:57:3111:1911:56
11:56
-0:11
35K
21.75 mi15:25:244:06:0011:198:29
11:20
-0:36
23M
23.00 mi15:39:484:20:2411:1914:24
11:30
+0:10
24M
24.00 mi15:51:044:31:4011:1911:16
11:16
-0:14
40K
24.85 mi16:00:554:41:3111:209:51
11:31
+0:15
25.2M
25.20 mi16:04:554:45:3111:204:00
11:36
+0:05
Finish
26.22 mi16:15:014:55:3711:1710:06
9:55
-1:41

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

9:55 /mi

Average Pace

11:17 /mi

Slowest Pace

12:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

51:05

17% of race

Time at Steady Pace

2:55:53

59% of race

Time at Slower Pace

1:08:39

23% of race

Average Pace: 11:16 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:53:1233:4810:5333:48
10:53
#27408
10K
6.21 mi12:27:561:08:3211:0234:44
11:11
#27357
15K
9.32 mi13:02:411:43:1711:0534:45
11:11
#27178
20K
12.43 mi13:37:192:17:5511:0634:38
11:09
#26921
Half
13.11 mi13:44:302:25:0611:047:11
10:32
#26861
25K
15.53 mi14:12:162:52:5211:0827:46
11:27
#26679
30K
18.64 mi14:48:313:29:0711:1336:15
11:40
#26412
20M
20.00 mi15:04:593:45:3511:1716:28
12:07
#26341
21M
21.00 mi15:16:553:57:3111:1911:56
11:56
#26216
35K
21.75 mi15:25:244:06:0011:198:29
11:20
#26171
23M
23.00 mi15:39:484:20:2411:1914:24
11:30
#26085
24M
24.00 mi15:51:044:31:4011:1911:16
11:16
#26032
40K
24.85 mi16:00:554:41:3111:209:51
11:31
#25991
25.2M
25.20 mi16:04:554:45:3111:204:00
11:36
#25962
Finish
26.22 mi16:15:014:55:3711:1710:06
9:55
#25880
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27408115791157926900(Top 95%)11320(Top 93%)11320(Top 207%)
10K6.21 mi3.10 mi27357+5111567+1211567+1227275(Top 96%)11532(Top 94%)11532(Top 211%)
15K9.32 mi3.11 mi27178+17911456+11111456+11126900(Top 95%)11320(Top 93%)11320(Top 207%)
20K12.43 mi3.11 mi26921+25711320+13611320+13626219(Top 92%)10923(Top 89%)10923(Top 200%)
Half13.11 mi0.68 mi26861+6011283+3711283+3725817(Top 91%)10730(Top 88%)10730(Top 196%)
25K15.53 mi2.42 mi26679+18211185+9811185+9825796(Top 91%)10748(Top 88%)10748(Top 197%)
30K18.64 mi3.11 mi26412+26711047+13811047+13825090(Top 88%)10457(Top 86%)10457(Top 191%)
20M20.00 mi1.36 mi26341+7111030+1711030+1725423(Top 90%)10715(Top 88%)10715(Top 196%)
21M21.00 mi1.00 mi26216+12510970+6010970+6023464(Top 83%)9750(Top 80%)9750(Top 178%)
35K21.75 mi0.75 mi26171+4510949+2110949+2124817(Top 87%)10487(Top 86%)10487(Top 192%)
23M23.00 mi1.25 mi26085+8610912+3710912+3724239(Top 85%)10219(Top 84%)10219(Top 187%)
24M24.00 mi1.00 mi26032+5310888+2410888+2424491(Top 86%)10378(Top 85%)10378(Top 190%)
40K24.85 mi0.85 mi25991+4110870+1810870+1824160(Top 85%)10251(Top 84%)10251(Top 187%)
25.2M25.20 mi0.35 mi25962+2910861+910861+922241(Top 78%)9291(Top 76%)9291(Top 170%)
Finish26.22 mi1.02 mi25880+8210832+2910832+2922628(Top 80%)9485(Top 78%)9485(Top 173%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21story building
+97ft-345ft

Overall

26900

Females

11320

F18-39

11320

5K→10K

3.1 - 6.2 mi

Top 96%
×5story building
+79ft-138ft

Overall

27275

Females

11532

F18-39

11532

10K→15K

6.2 - 9.3 mi

Top 95%
×3story building
+67ft-78ft

Overall

26900

Females

11320

F18-39

11320

15K→20K

9.3 - 12.4 mi

Top 92%
×5story building
+106ft-86ft

Overall

26219

Females

10923

F18-39

10923

20K→Half

12.4 - 13.1 mi

Top 91%
×2story building
+19ft-37ft

Overall

25817

Females

10730

F18-39

10730

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

25796

Females

10748

F18-39

10748

25K→30K

15.5 - 18.6 mi

Top 88%
×9story building
+181ft-148ft

Overall

25090

Females

10457

F18-39

10457

30K→20M

18.6 - 20.0 mi

Top 90%
×5story building
+64ft-50ft

Overall

25423

Females

10715

F18-39

10715

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

23464

Females

9750

F18-39

9750

21M→35K

21.0 - 21.8 mi

Top 87%
×7story building
+17ft-86ft

Overall

24817

Females

10487

F18-39

10487

35K→23M

21.8 - 23.0 mi

Top 85%
×5story building
+23ft-63ft

Overall

24239

Females

10219

F18-39

10219

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

24491

Females

10378

F18-39

10378

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

24160

Females

10251

F18-39

10251

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

22241

Females

9291

F18-39

9291

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

22628

Females

9485

F18-39

9485

Passing Analysis

Category:
Athletes Passed
1743
Passed By
215
Net Change
+1528
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27408
5K → 10K152101+51#27408#27357
10K → 15K20122+179#27357#27178
15K → 20K27417+257#27178#26921
20K → Half633+60#26921#26861
Half → 25K19513+182#26861#26679
25K → 30K2758+267#26679#26412
30K → 20M8615+71#26412#26341
20M → 21M1305+125#26341#26216
21M → 35K5510+45#26216#26171
35K → 23M959+86#26171#26085
23M → 24M563+53#26085#26032
24M → 40K454+41#26032#25991
40K → 25.2M323+29#25991#25962
25.2M → Finish842+82#25962#25880
TOTALS1743215+1528
📊

Passing Visuals

Category:
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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