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BOSTON MARATHON 2025

Allison Day

Bib: 15264•F

NC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 36%
Gender (Female)
#0 / 12228
Top 19%
Division (F18-39)
#0 / 5469
Top 33%
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
7:40/mi
23:49
↑ 97↓ 3451.5%
10K· 6.21 mi
7:29/mi
47:05
↑ 79↓ 1380.4%
15K· 9.32 mi
7:29/mi
1:10:21
↑ 67↓ 78
20K· 12.43 mi
7:34/mi
1:33:53
↑ 106↓ 860.1%
Half· 13.11 mi
7:33/mi
1:39:02
↑ 19↓ 370.5%
25K· 15.53 mi
7:36/mi
1:57:27
↑ 66↓ 880.2%
30K· 18.64 mi
7:46/mi
2:21:34
↑ 181↓ 1480.2%
20M
7:47/mi
2:32:08
↑ 64↓ 500.2%
21M
8:04/mi
2:40:12
↑ 106↓ 241.6%
35K· 21.75 mi
7:33/mi
2:45:51
↑ 17↓ 861.7%
23M
7:46/mi
2:55:34
↑ 23↓ 630.6%
24M
7:29/mi
3:03:03
↓ 821.3%
40K· 24.85 mi
7:34/mi
3:09:31
↓ 200.3%
25.2M
8:16/mi
3:12:22
↑ 13↓ 160.2%
Finish· 26.22 mi
7:23/mi
3:19:53
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:02
Pace7:33 /mi
2nd Half
Distance13.11 mi
Time1:40:51
Pace7:42 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:5723:497:4023:49
7:40
-
10K
6.21 mi11:20:1347:057:3523:16
7:29
-0:11
15K
9.32 mi11:43:291:10:217:3323:16
7:29
0:00
20K
12.43 mi12:07:011:33:537:3323:32
7:34
+0:05
Half
13.11 mi12:12:101:39:027:335:09
7:33
-0:01
25K
15.53 mi12:30:351:57:277:3418:25
7:36
+0:03
30K
18.64 mi12:54:422:21:347:3624:07
7:46
+0:10
20M
20.00 mi13:05:162:32:087:3610:34
7:47
+0:01
21M
21.00 mi13:13:202:40:127:388:04
8:04
+0:17
35K
21.75 mi13:18:592:45:517:385:39
7:33
-0:31
23M
23.00 mi13:28:422:55:347:389:43
7:46
+0:13
24M
24.00 mi13:36:113:03:037:387:29
7:29
-0:17
40K
24.85 mi13:42:393:09:317:376:28
7:34
+0:05
25.2M
25.20 mi13:45:303:12:227:382:51
8:16
+0:42
Finish
26.22 mi13:53:013:19:537:387:31
7:23
-0:53

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

7:23 /mi

Average Pace

7:38 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:17:02

99% of race

Time at Steady Pace

2:51

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:37 /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 mi10:56:5723:497:4023:49
7:40
#13662
10K
6.21 mi11:20:1347:057:3523:16
7:29
#12818
15K
9.32 mi11:43:291:10:217:3323:16
7:29
#12412
20K
12.43 mi12:07:011:33:537:3323:32
7:34
#12122
Half
13.11 mi12:12:101:39:027:335:09
7:33
#12118
25K
15.53 mi12:30:351:57:277:3418:25
7:36
#11848
30K
18.64 mi12:54:422:21:347:3624:07
7:46
#11386
20M
20.00 mi13:05:162:32:087:3610:34
7:47
#11143
21M
21.00 mi13:13:202:40:127:388:04
8:04
#10904
35K
21.75 mi13:18:592:45:517:385:39
7:33
#10816
23M
23.00 mi13:28:422:55:347:389:43
7:46
#10616
24M
24.00 mi13:36:113:03:037:387:29
7:29
#10452
40K
24.85 mi13:42:393:09:317:376:28
7:34
#10278
25.2M
25.20 mi13:45:303:12:227:382:51
8:16
#10205
Finish
26.22 mi13:53:013:19:537:387:31
7:23
#10108
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi136623682368211688(Top 41%)2734(Top 22%)2734(Top 50%)
10K6.21 mi3.10 mi12818+8443240+4423240+44212009(Top 42%)2820(Top 23%)2820(Top 52%)
15K9.32 mi3.11 mi12412+4063057+1833057+18311688(Top 41%)2734(Top 22%)2734(Top 50%)
20K12.43 mi3.11 mi12122+2902936+1212936+12111392(Top 40%)2677(Top 22%)2677(Top 49%)
Half13.11 mi0.68 mi12118+42943-72943-712139(Top 43%)3000(Top 25%)3000(Top 55%)
25K15.53 mi2.42 mi11848+2702841+1022841+10210735(Top 38%)2448(Top 20%)2448(Top 45%)
30K18.64 mi3.11 mi11386+4622667+1742667+1749647(Top 34%)2121(Top 17%)2121(Top 39%)
20M20.00 mi1.36 mi11143+2432579+882579+888899(Top 31%)1938(Top 16%)1938(Top 35%)
21M21.00 mi1.00 mi10904+2392500+792500+797791(Top 27%)1637(Top 13%)1637(Top 30%)
35K21.75 mi0.75 mi10816+882482+182482+189057(Top 32%)2151(Top 18%)2151(Top 39%)
23M23.00 mi1.25 mi10616+2002409+732409+738342(Top 29%)1971(Top 16%)1971(Top 36%)
24M24.00 mi1.00 mi10452+1642362+472362+477611(Top 27%)1717(Top 14%)1717(Top 31%)
40K24.85 mi0.85 mi10278+1742317+452317+457228(Top 25%)1658(Top 14%)1658(Top 30%)
25.2M25.20 mi0.35 mi10205+732293+242293+247535(Top 27%)1875(Top 15%)1875(Top 34%)
Finish26.22 mi1.02 mi10108+972276+172276+178352(Top 29%)2214(Top 18%)2214(Top 40%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

11688

Females

2734

F18-39

2734

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

12009

Females

2820

F18-39

2820

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

11688

Females

2734

F18-39

2734

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

11392

Females

2677

F18-39

2677

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

12139

Females

3000

F18-39

3000

Half→25K

13.1 - 15.5 mi

Top 38%
×4story building
+66ft-88ft

Overall

10735

Females

2448

F18-39

2448

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

9647

Females

2121

F18-39

2121

30K→20M

18.6 - 20.0 mi

Top 31%
×5story building
+64ft-50ft

Overall

8899

Females

1938

F18-39

1938

20M→21M

20.0 - 21.0 mi

Top 27%
×8story building
+106ft-24ft

Overall

7791

Females

1637

F18-39

1637

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

9057

Females

2151

F18-39

2151

35K→23M

21.8 - 23.0 mi

Top 29%
×5story building
+23ft-63ft

Overall

8342

Females

1971

F18-39

1971

23M→24M

23.0 - 24.0 mi

Top 27%
×6story building
+12ft-82ft

Overall

7611

Females

1717

F18-39

1717

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7228

Females

1658

F18-39

1658

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7535

Females

1875

F18-39

1875

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2story building
+22ft-21ft

Overall

8352

Females

2214

F18-39

2214

Passing Analysis

Category:
Athletes Passed
3929
Passed By
375
Net Change
+3554
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13662
5K → 10K88743+844#13662#12818
10K → 15K45650+406#12818#12412
15K → 20K34555+290#12412#12122
20K → Half3531+4#12122#12118
Half → 25K31242+270#12118#11848
25K → 30K49735+462#11848#11386
30K → 20M25815+243#11386#11143
20M → 21M24910+239#11143#10904
21M → 35K10416+88#10904#10816
35K → 23M21818+200#10816#10616
23M → 24M17915+164#10616#10452
24M → 40K1806+174#10452#10278
40K → 25.2M818+73#10278#10205
25.2M → Finish12831+97#10205#10108
TOTALS3929375+3554
📊

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