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BOSTON MARATHON 2025

Krista Polichronopoulos

MA

Bib: 31102 F

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
9:47/mi
30:23
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:29/mi
59:52
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:29/mi
1:29:20
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
10:09/mi
2:00:51
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
10:07/mi
2:07:45
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
11:23/mi
2:35:20
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
13:01/mi
3:15:47
↑ 181↓ 1480.2%
138 ft elev
20M
14:45/mi
3:35:49
↑ 64↓ 500.2%
148 ft elev
21M
14:14/mi
3:50:03
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
13:18/mi
4:00:00
↑ 17↓ 861.7%
156 ft elev
23M
13:48/mi
4:17:17
↑ 23↓ 630.6%
116 ft elev
24M
12:31/mi
4:29:48
↓ 821.3%
34 ft elev
40K· 24.85 mi
13:33/mi
4:41:23
↓ 200.3%
20 ft elev
25.2M
13:55/mi
4:46:11
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
12:10/mi
4:58:35
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:07:45
Pace9:45 /mi
2nd Half
Distance13.11 mi
Time2:50:50
Pace13:02 /mi
📊Positive Split: 33.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:5930:239:4730:23
9:47
-
10K
6.21 mi12:21:2859:529:3829:29
9:29
-0:18
15K
9.32 mi12:50:561:29:209:3529:28
9:29
0:00
20K
12.43 mi13:22:272:00:519:4331:31
10:09
+0:40
Half
13.11 mi13:29:212:07:459:456:54
10:07
-0:02
25K
15.53 mi13:56:562:35:2010:0027:35
11:23
+1:16
30K
18.64 mi14:37:233:15:4710:3040:27
13:01
+1:38
20M
20.00 mi14:57:253:35:4910:4720:02
14:45
+1:44
21M
21.00 mi15:11:393:50:0310:5714:14
14:14
-0:31
35K
21.75 mi15:21:364:00:0011:029:57
13:18
-0:56
23M
23.00 mi15:38:534:17:1711:1117:17
13:48
+0:30
24M
24.00 mi15:51:244:29:4811:1512:31
12:31
-1:17
40K
24.85 mi16:02:594:41:2311:1911:35
13:33
+1:02
25.2M
25.20 mi16:07:474:46:1111:214:48
13:55
+0:22
Finish
26.22 mi16:20:114:58:3511:2412:24
12:10
-1:45

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

9:29 /mi

Average Pace

11:24 /mi

Slowest Pace

14:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:35:20

52% of race

Time at Steady Pace

1:15:19

25% of race

Time at Slower Pace

1:07:56

23% of race

Average Pace: 11:23 /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 mi11:51:5930:239:4730:23
9:47
#25031
10K
6.21 mi12:21:2859:529:3829:29
9:29
#24554
15K
9.32 mi12:50:561:29:209:3529:28
9:29
#24273
20K
12.43 mi13:22:272:00:519:4331:31
10:09
#24356
Half
13.11 mi13:29:212:07:459:456:54
10:07
#24389
25K
15.53 mi13:56:562:35:2010:0027:35
11:23
#24710
30K
18.64 mi14:37:233:15:4710:3040:27
13:01
#25242
20M
20.00 mi14:57:253:35:4910:4720:02
14:45
#25565
21M
21.00 mi15:11:393:50:0310:5714:14
14:14
#25636
35K
21.75 mi15:21:364:00:0011:029:57
13:18
#25750
23M
23.00 mi15:38:534:17:1711:1117:17
13:48
#25875
24M
24.00 mi15:51:244:29:4811:1512:31
12:31
#25911
40K
24.85 mi16:02:594:41:2311:1911:35
13:33
#25984
25.2M
25.20 mi16:07:474:46:1111:214:48
13:55
#25997
Finish
26.22 mi16:20:114:58:3511:2412:24
12:10
#26063
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25031102281022823691(Top 83%)9486(Top 78%)9486(Top 173%)
10K6.21 mi3.10 mi24554+4779980+2489980+24824068(Top 85%)9724(Top 80%)9724(Top 178%)
15K9.32 mi3.11 mi24273+2819827+1539827+15323691(Top 83%)9486(Top 78%)9486(Top 173%)
20K12.43 mi3.11 mi24356-839897-709897-7024516(Top 86%)9994(Top 82%)9994(Top 183%)
Half13.11 mi0.68 mi24389-339912-159912-1525046(Top 88%)10293(Top 84%)10293(Top 188%)
25K15.53 mi2.42 mi24710-32110095-18310095-18325703(Top 90%)10697(Top 87%)10697(Top 196%)
30K18.64 mi3.11 mi25242-53210412-31710412-31726698(Top 94%)11333(Top 93%)11333(Top 207%)
20M20.00 mi1.36 mi25565-32310607-19510607-19527758(Top 98%)11946(Top 98%)11946(Top 218%)
21M21.00 mi1.00 mi25636-7110656-4910656-4926467(Top 93%)11293(Top 92%)11293(Top 206%)
35K21.75 mi0.75 mi25750-11410724-6810724-6827199(Top 96%)11691(Top 96%)11691(Top 214%)
23M23.00 mi1.25 mi25875-12510795-7110795-7127148(Top 96%)11679(Top 96%)11679(Top 214%)
24M24.00 mi1.00 mi25911-3610822-2710822-2726315(Top 93%)11276(Top 92%)11276(Top 206%)
40K24.85 mi0.85 mi25984-7310866-4410866-4426796(Top 94%)11547(Top 94%)11547(Top 211%)
25.2M25.20 mi0.35 mi25997-1310877-1110877-1126164(Top 92%)11260(Top 92%)11260(Top 206%)
Finish26.22 mi1.02 mi26063-6610920-4310920-4326969(Top 95%)11613(Top 95%)11613(Top 212%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21story building
+97ft-345ft

Overall

23691

Females

9486

F18-39

9486

5K→10K

3.1 - 6.2 mi

Top 85%
×5story building
+79ft-138ft

Overall

24068

Females

9724

F18-39

9724

10K→15K

6.2 - 9.3 mi

Top 83%
×3story building
+67ft-78ft

Overall

23691

Females

9486

F18-39

9486

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

24516

Females

9994

F18-39

9994

20K→Half

12.4 - 13.1 mi

Top 88%
×2story building
+19ft-37ft

Overall

25046

Females

10293

F18-39

10293

Half→25K

13.1 - 15.5 mi

Top 90%
×4story building
+66ft-88ft

Overall

25703

Females

10697

F18-39

10697

25K→30K

15.5 - 18.6 mi

Top 94%
×9story building
+181ft-148ft

Overall

26698

Females

11333

F18-39

11333

30K→20M

18.6 - 20.0 mi

Top 98%
×5story building
+64ft-50ft

Overall

27758

Females

11946

F18-39

11946

20M→21M

20.0 - 21.0 mi

Top 93%
×8story building
+106ft-24ft

Overall

26467

Females

11293

F18-39

11293

21M→35K

21.0 - 21.8 mi

Top 96%
×7story building
+17ft-86ft

Overall

27199

Females

11691

F18-39

11691

35K→23M

21.8 - 23.0 mi

Top 96%
×5story building
+23ft-63ft

Overall

27148

Females

11679

F18-39

11679

23M→24M

23.0 - 24.0 mi

Top 93%
×6story building
+12ft-82ft

Overall

26315

Females

11276

F18-39

11276

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

26796

Females

11547

F18-39

11547

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

26164

Females

11260

F18-39

11260

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2story building
+22ft-21ft

Overall

26969

Females

11613

F18-39

11613

Passing Analysis

Category:
Athletes Passed
1108
Passed By
2140
Net Change
-1032
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25031
5K → 10K52649+477#25031#24554
10K → 15K31736+281#24554#24273
15K → 20K104187-83#24273#24356
20K → Half1346-33#24356#24389
Half → 25K31352-321#24389#24710
25K → 30K27559-532#24710#25242
30K → 20M7330-323#25242#25565
20M → 21M2495-71#25565#25636
21M → 35K8122-114#25636#25750
35K → 23M15140-125#25750#25875
23M → 24M1652-36#25875#25911
24M → 40K982-73#25911#25984
40K → 25.2M922-13#25984#25997
25.2M → Finish268-66#25997#26063
TOTALS11082140-1032
📊

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