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BOSTON MARATHON 2025

Ilana Koppel

Bib: 27625•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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:53/mi
30:42
↑ 97↓ 3451.5%
10K· 6.21 mi
9:42/mi
1:00:49
↑ 79↓ 1380.4%
15K· 9.32 mi
10:18/mi
1:32:48
↑ 67↓ 78
20K· 12.43 mi
10:02/mi
2:03:59
↑ 106↓ 860.1%
Half· 13.11 mi
9:32/mi
2:10:29
↑ 19↓ 370.5%
25K· 15.53 mi
10:38/mi
2:36:17
↑ 66↓ 880.2%
30K· 18.64 mi
11:42/mi
3:12:37
↑ 181↓ 1480.2%
20M
10:56/mi
3:27:29
↑ 64↓ 500.2%
21M
13:59/mi
3:41:28
↑ 106↓ 241.6%
35K· 21.75 mi
10:12/mi
3:49:06
↑ 17↓ 861.7%
23M
11:44/mi
4:03:47
↑ 23↓ 630.6%
24M
10:45/mi
4:14:32
↓ 821.3%
40K· 24.85 mi
11:44/mi
4:24:34
↓ 200.3%
25.2M
11:30/mi
4:28:32
↑ 13↓ 160.2%
Finish· 26.22 mi
10:10/mi
4:38:54
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:29
Pace9:57 /mi
2nd Half
Distance13.11 mi
Time2:28:25
Pace11:19 /mi
📊Positive Split: 13.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:1830:429:5330:42
9:53
-
10K
6.21 mi12:20:251:00:499:4730:07
9:42
-0:11
15K
9.32 mi12:52:241:32:489:5731:59
10:18
+0:36
20K
12.43 mi13:23:352:03:599:5931:11
10:02
-0:16
Half
13.11 mi13:30:052:10:299:576:30
9:32
-0:30
25K
15.53 mi13:55:532:36:1710:0425:48
10:38
+1:06
30K
18.64 mi14:32:133:12:3710:2036:20
11:42
+1:04
20M
20.00 mi14:47:053:27:2910:2214:52
10:56
-0:46
21M
21.00 mi15:01:043:41:2810:3313:59
13:59
+3:03
35K
21.75 mi15:08:423:49:0610:327:38
10:12
-3:47
23M
23.00 mi15:23:234:03:4710:3614:41
11:44
+1:32
24M
24.00 mi15:34:084:14:3210:3610:45
10:45
-0:59
40K
24.85 mi15:44:104:24:3410:3910:02
11:44
+0:59
25.2M
25.20 mi15:48:084:28:3210:393:58
11:30
-0:14
Finish
26.22 mi15:58:304:38:5410:3910:22
10:10
-1:20

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

9:32 /mi

Average Pace

10:39 /mi

Slowest Pace

13:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:30

35% of race

Time at Steady Pace

1:41:24

36% of race

Time at Slower Pace

1:19:00

28% of race

Average Pace: 10:38 /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 mi11:50:1830:429:5330:42
9:53
#25289
10K
6.21 mi12:20:251:00:499:4730:07
9:42
#24942
15K
9.32 mi12:52:241:32:489:5731:59
10:18
#25176
20K
12.43 mi13:23:352:03:599:5931:11
10:02
#24956
Half
13.11 mi13:30:052:10:299:576:30
9:32
#24876
25K
15.53 mi13:55:532:36:1710:0425:48
10:38
#24843
30K
18.64 mi14:32:133:12:3710:2036:20
11:42
#24936
20M
20.00 mi14:47:053:27:2910:2214:52
10:56
#24833
21M
21.00 mi15:01:043:41:2810:3313:59
13:59
#24956
35K
21.75 mi15:08:423:49:0610:327:38
10:12
#24882
23M
23.00 mi15:23:234:03:4710:3614:41
11:44
#24887
24M
24.00 mi15:34:084:14:3210:3610:45
10:45
#24824
40K
24.85 mi15:44:104:24:3410:3910:02
11:44
#24824
25.2M
25.20 mi15:48:084:28:3210:393:58
11:30
#24792
Finish
26.22 mi15:58:304:38:5410:3910:22
10:10
#24770
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25289103681036825578(Top 90%)10549(Top 86%)10549(Top 193%)
10K6.21 mi3.10 mi24942+34710198+17010198+17024588(Top 87%)10011(Top 82%)10011(Top 183%)
15K9.32 mi3.11 mi25176-23410323-12510323-12525578(Top 90%)10549(Top 86%)10549(Top 193%)
20K12.43 mi3.11 mi24956+22010213+11010213+11024294(Top 86%)9878(Top 81%)9878(Top 181%)
Half13.11 mi0.68 mi24876+8010171+4210171+4223612(Top 83%)9499(Top 78%)9499(Top 174%)
25K15.53 mi2.42 mi24843+3310172-110172-124612(Top 87%)10082(Top 82%)10082(Top 184%)
30K18.64 mi3.11 mi24936-9310242-7010242-7025128(Top 88%)10472(Top 86%)10472(Top 191%)
20M20.00 mi1.36 mi24833+10310203+3910203+3923471(Top 83%)9669(Top 79%)9669(Top 177%)
21M21.00 mi1.00 mi24956-12310282-7910282-7926208(Top 92%)11157(Top 91%)11157(Top 204%)
35K21.75 mi0.75 mi24882+7410246+3610246+3622414(Top 79%)9251(Top 76%)9251(Top 169%)
23M23.00 mi1.25 mi24887-510268-2210268-2224625(Top 87%)10408(Top 85%)10408(Top 190%)
24M24.00 mi1.00 mi24824+6310248+2010248+2023417(Top 82%)9842(Top 80%)9842(Top 180%)
40K24.85 mi0.85 mi2482410259-1110259-1124516(Top 86%)10433(Top 85%)10433(Top 191%)
25.2M25.20 mi0.35 mi24792+3210250+910250+921988(Top 77%)9160(Top 75%)9160(Top 167%)
Finish26.22 mi1.02 mi24770+2210246+410246+423426(Top 82%)9893(Top 81%)9893(Top 181%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21story building
+97ft-345ft

Overall

25578

Females

10549

F18-39

10549

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

24588

Females

10011

F18-39

10011

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+67ft-78ft

Overall

25578

Females

10549

F18-39

10549

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

24294

Females

9878

F18-39

9878

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+19ft-37ft

Overall

23612

Females

9499

F18-39

9499

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

24612

Females

10082

F18-39

10082

25K→30K

15.5 - 18.6 mi

Top 88%
×9story building
+181ft-148ft

Overall

25128

Females

10472

F18-39

10472

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

23471

Females

9669

F18-39

9669

20M→21M

20.0 - 21.0 mi

Top 92%
×8story building
+106ft-24ft

Overall

26208

Females

11157

F18-39

11157

21M→35K

21.0 - 21.8 mi

Top 79%
×7story building
+17ft-86ft

Overall

22414

Females

9251

F18-39

9251

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

24625

Females

10408

F18-39

10408

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

23417

Females

9842

F18-39

9842

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

24516

Females

10433

F18-39

10433

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

21988

Females

9160

F18-39

9160

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2story building
+22ft-21ft

Overall

23426

Females

9893

F18-39

9893

Passing Analysis

Category:
Athletes Passed
1476
Passed By
957
Net Change
+519
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25289
5K → 10K40457+347#25289#24942
10K → 15K66300-234#24942#25176
15K → 20K25636+220#25176#24956
20K → Half877+80#24956#24876
Half → 25K11582+33#24876#24843
25K → 30K96189-93#24843#24936
30K → 20M11310+103#24936#24833
20M → 21M21144-123#24833#24956
21M → 35K8511+74#24956#24882
35K → 23M4146-5#24882#24887
23M → 24M729+63#24887#24824
24M → 40K36360#24824#24824
40K → 25.2M386+32#24824#24792
25.2M → Finish4624+22#24792#24770
TOTALS1476957+519
📊

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