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BOSTON MARATHON 2025

Allison Horten

Bib: 15830•F

AZ

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 42%
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
7:40/mi
23:49
↑ 97↓ 3451.5%
10K· 6.21 mi
7:47/mi
48:00
↑ 79↓ 1380.4%
15K· 9.32 mi
7:45/mi
1:12:04
↑ 67↓ 78
20K· 12.43 mi
7:53/mi
1:36:32
↑ 106↓ 860.1%
Half· 13.11 mi
7:43/mi
1:41:48
↑ 19↓ 370.5%
25K· 15.53 mi
8:03/mi
2:01:19
↑ 66↓ 880.2%
30K· 18.64 mi
8:51/mi
2:28:49
↑ 181↓ 1480.2%
20M
9:17/mi
2:41:26
↑ 64↓ 500.2%
21M
10:28/mi
2:51:54
↑ 106↓ 241.6%
35K· 21.75 mi
9:00/mi
2:58:38
↑ 17↓ 861.7%
23M
9:02/mi
3:09:56
↑ 23↓ 630.6%
24M
8:44/mi
3:18:40
↓ 821.3%
40K· 24.85 mi
8:51/mi
3:26:14
↓ 200.3%
25.2M
9:23/mi
3:29:28
↑ 13↓ 160.2%
Finish· 26.22 mi
8:28/mi
3:38:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:48
Pace7:46 /mi
2nd Half
Distance13.11 mi
Time1:56:18
Pace8:52 /mi
📊Positive Split: 14.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:2423:497:4023:49
7:40
-
10K
6.21 mi11:20:3548:007:4324:11
7:47
+0:07
15K
9.32 mi11:44:391:12:047:4424:04
7:45
-0:02
20K
12.43 mi12:09:071:36:327:4624:28
7:53
+0:08
Half
13.11 mi12:14:231:41:487:465:16
7:43
-0:10
25K
15.53 mi12:33:542:01:197:4919:31
8:03
+0:20
30K
18.64 mi13:01:242:28:497:5927:30
8:51
+0:48
20M
20.00 mi13:14:012:41:268:0412:37
9:17
+0:26
21M
21.00 mi13:24:292:51:548:1110:28
10:28
+1:11
35K
21.75 mi13:31:132:58:388:136:44
9:00
-1:28
23M
23.00 mi13:42:313:09:568:1511:18
9:02
+0:02
24M
24.00 mi13:51:153:18:408:178:44
8:44
-0:18
40K
24.85 mi13:58:493:26:148:187:34
8:51
+0:07
25.2M
25.20 mi14:02:033:29:288:193:14
9:23
+0:32
Finish
26.22 mi14:10:413:38:068:198:38
8:28
-0:55

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

7:40 /mi

Average Pace

8:19 /mi

Slowest Pace

10:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:19

56% of race

Time at Steady Pace

1:10:28

32% of race

Time at Slower Pace

26:19

12% of race

Average Pace: 8:19 /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 mi10:56:2423:497:4023:49
7:40
#13679
10K
6.21 mi11:20:3548:007:4324:11
7:47
#14116
15K
9.32 mi11:44:391:12:047:4424:04
7:45
#14047
20K
12.43 mi12:09:071:36:327:4624:28
7:53
#13981
Half
13.11 mi12:14:231:41:487:465:16
7:43
#13965
25K
15.53 mi12:33:542:01:197:4919:31
8:03
#13972
30K
18.64 mi13:01:242:28:497:5927:30
8:51
#14570
20M
20.00 mi13:14:012:41:268:0412:37
9:17
#14913
21M
21.00 mi13:24:292:51:548:1110:28
10:28
#15302
35K
21.75 mi13:31:132:58:388:136:44
9:00
#15412
23M
23.00 mi13:42:313:09:568:1511:18
9:02
#15446
24M
24.00 mi13:51:153:18:408:178:44
8:44
#15454
40K
24.85 mi13:58:493:26:148:187:34
8:51
#15429
25.2M
25.20 mi14:02:033:29:288:193:14
9:23
#15397
Finish
26.22 mi14:10:413:38:068:198:38
8:28
#15400
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi136793699369913925(Top 49%)3971(Top 32%)3971(Top 73%)
10K6.21 mi3.10 mi14116-4374005-3064005-30614676(Top 52%)4350(Top 36%)4350(Top 80%)
15K9.32 mi3.11 mi14047+694003+24003+213925(Top 49%)3971(Top 32%)3971(Top 73%)
20K12.43 mi3.11 mi13981+663993+103993+1013906(Top 49%)4043(Top 33%)4043(Top 74%)
Half13.11 mi0.68 mi13965+163988+53988+513675(Top 48%)3897(Top 32%)3897(Top 71%)
25K15.53 mi2.42 mi13972-74028-404028-4014293(Top 50%)4369(Top 36%)4369(Top 80%)
30K18.64 mi3.11 mi14570-5984429-4014429-40116904(Top 60%)5981(Top 49%)5981(Top 109%)
20M20.00 mi1.36 mi14913-3434644-2154644-21518219(Top 64%)6837(Top 56%)6837(Top 125%)
21M21.00 mi1.00 mi15302-3894894-2504894-25019903(Top 70%)7851(Top 64%)7851(Top 144%)
35K21.75 mi0.75 mi15412-1104982-884982-8818234(Top 64%)7026(Top 57%)7026(Top 128%)
23M23.00 mi1.25 mi15446-345044-625044-6216418(Top 58%)6123(Top 50%)6123(Top 112%)
24M24.00 mi1.00 mi15454-85067-235067-2315942(Top 56%)5896(Top 48%)5896(Top 108%)
40K24.85 mi0.85 mi15429+255084-175084-1715486(Top 55%)5791(Top 47%)5791(Top 106%)
25.2M25.20 mi0.35 mi15397+325079+55079+513951(Top 49%)4994(Top 41%)4994(Top 91%)
Finish26.22 mi1.02 mi15400-35105-265105-2616044(Top 56%)6039(Top 49%)6039(Top 110%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

13925

Females

3971

F18-39

3971

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

14676

Females

4350

F18-39

4350

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

13925

Females

3971

F18-39

3971

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

13906

Females

4043

F18-39

4043

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

13675

Females

3897

F18-39

3897

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

14293

Females

4369

F18-39

4369

25K→30K

15.5 - 18.6 mi

Top 60%
×9story building
+181ft-148ft

Overall

16904

Females

5981

F18-39

5981

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

18219

Females

6837

F18-39

6837

20M→21M

20.0 - 21.0 mi

Top 70%
×8story building
+106ft-24ft

Overall

19903

Females

7851

F18-39

7851

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

18234

Females

7026

F18-39

7026

35K→23M

21.8 - 23.0 mi

Top 58%
×5story building
+23ft-63ft

Overall

16418

Females

6123

F18-39

6123

23M→24M

23.0 - 24.0 mi

Top 56%
×6story building
+12ft-82ft

Overall

15942

Females

5896

F18-39

5896

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

15486

Females

5791

F18-39

5791

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13951

Females

4994

F18-39

4994

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2story building
+22ft-21ft

Overall

16044

Females

6039

F18-39

6039

Passing Analysis

Category:
Athletes Passed
1427
Passed By
3148
Net Change
-1721
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13679
5K → 10K138575-437#13679#14116
10K → 15K237168+69#14116#14047
15K → 20K242176+66#14047#13981
20K → Half5034+16#13981#13965
Half → 25K165172-7#13965#13972
25K → 30K113711-598#13972#14570
30K → 20M53396-343#14570#14913
20M → 21M44433-389#14913#15302
21M → 35K36146-110#15302#15412
35K → 23M102136-34#15412#15446
23M → 24M6472-8#15446#15454
24M → 40K8156+25#15454#15429
40K → 25.2M4412+32#15429#15397
25.2M → Finish5861-3#15397#15400
TOTALS14273148-1721
📊

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