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BOSTON MARATHON 2025

Alyssa Haughton

Bib: 23221•F

KS

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 40%
Division (F45-49)
#0 / 1813
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
8:31/mi
26:27
↑ 97↓ 3451.5%
10K· 6.21 mi
8:24/mi
52:33
↑ 79↓ 1380.4%
15K· 9.32 mi
8:24/mi
1:18:39
↑ 67↓ 78
20K· 12.43 mi
8:31/mi
1:45:08
↑ 106↓ 860.1%
Half· 13.11 mi
8:20/mi
1:50:49
↑ 19↓ 370.5%
25K· 15.53 mi
8:29/mi
2:11:23
↑ 66↓ 880.2%
30K· 18.64 mi
8:47/mi
2:38:41
↑ 181↓ 1480.2%
20M
8:55/mi
2:50:48
↑ 64↓ 500.2%
21M
9:20/mi
3:00:08
↑ 106↓ 241.6%
35K· 21.75 mi
8:31/mi
3:06:30
↑ 17↓ 861.7%
23M
8:50/mi
3:17:33
↑ 23↓ 630.6%
24M
8:42/mi
3:26:15
↓ 821.3%
40K· 24.85 mi
8:37/mi
3:33:37
↓ 200.3%
25.2M
9:23/mi
3:36:51
↑ 13↓ 160.2%
Finish· 26.22 mi
8:44/mi
3:45:45
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:49
Pace8:27 /mi
2nd Half
Distance13.11 mi
Time1:54:56
Pace8:46 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:4026:278:3126:27
8:31
-
10K
6.21 mi11:50:4652:338:2726:06
8:24
-0:07
15K
9.32 mi12:16:521:18:398:2626:06
8:24
0:00
20K
12.43 mi12:43:211:45:088:2826:29
8:31
+0:07
Half
13.11 mi12:49:021:50:498:275:41
8:20
-0:11
25K
15.53 mi13:09:362:11:238:2720:34
8:29
+0:09
30K
18.64 mi13:36:542:38:418:3127:18
8:47
+0:18
20M
20.00 mi13:49:012:50:488:3212:07
8:55
+0:08
21M
21.00 mi13:58:213:00:088:359:20
9:20
+0:25
35K
21.75 mi14:04:433:06:308:356:22
8:31
-0:49
23M
23.00 mi14:15:463:17:338:3511:03
8:50
+0:19
24M
24.00 mi14:24:283:26:158:368:42
8:42
-0:08
40K
24.85 mi14:31:503:33:378:367:22
8:37
-0:05
25.2M
25.20 mi14:35:043:36:518:363:14
9:23
+0:46
Finish
26.22 mi14:43:583:45:458:378:54
8:44
-0:39

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

8:20 /mi

Average Pace

8:37 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:33:11

94% of race

Time at Steady Pace

12:34

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:37 /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 mi11:24:4026:278:3126:27
8:31
#19955
10K
6.21 mi11:50:4652:338:2726:06
8:24
#19577
15K
9.32 mi12:16:521:18:398:2626:06
8:24
#19281
20K
12.43 mi12:43:211:45:088:2826:29
8:31
#19015
Half
13.11 mi12:49:021:50:498:275:41
8:20
#18978
25K
15.53 mi13:09:362:11:238:2720:34
8:29
#18637
30K
18.64 mi13:36:542:38:418:3127:18
8:47
#18220
20M
20.00 mi13:49:012:50:488:3212:07
8:55
#18033
21M
21.00 mi13:58:213:00:088:359:20
9:20
#17875
35K
21.75 mi14:04:433:06:308:356:22
8:31
#17767
23M
23.00 mi14:15:463:17:338:3511:03
8:50
#17595
24M
24.00 mi14:24:283:26:158:368:42
8:42
#17498
40K
24.85 mi14:31:503:33:378:367:22
8:37
#17374
25.2M
25.20 mi14:35:043:36:518:363:14
9:23
#17315
Finish
26.22 mi14:43:583:45:458:378:54
8:44
#17322
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi199557471747118717(Top 66%)6730(Top 55%)6730(Top 371%)
10K6.21 mi3.10 mi19577+3787228+2437228+24319207(Top 68%)7003(Top 57%)7003(Top 386%)
15K9.32 mi3.11 mi19281+2967046+1827046+18218717(Top 66%)6730(Top 55%)6730(Top 371%)
20K12.43 mi3.11 mi19015+2666912+1346912+13418408(Top 65%)6571(Top 54%)6571(Top 362%)
Half13.11 mi0.68 mi18978+376895+176895+1718161(Top 64%)6411(Top 52%)6411(Top 354%)
25K15.53 mi2.42 mi18637+3416714+1816714+18117099(Top 60%)5912(Top 48%)5912(Top 326%)
30K18.64 mi3.11 mi18220+4176513+2016513+20116537(Top 58%)5765(Top 47%)5765(Top 318%)
20M20.00 mi1.36 mi18033+1876440+736440+7316361(Top 58%)5809(Top 48%)5809(Top 320%)
21M21.00 mi1.00 mi17875+1586364+766364+7615340(Top 54%)5370(Top 44%)5370(Top 296%)
35K21.75 mi0.75 mi17767+1086316+486316+4815574(Top 55%)5564(Top 46%)5564(Top 307%)
23M23.00 mi1.25 mi17595+1726273+436273+4315272(Top 54%)5482(Top 45%)5482(Top 302%)
24M24.00 mi1.00 mi17498+976247+266247+2615775(Top 56%)5793(Top 47%)5793(Top 320%)
40K24.85 mi0.85 mi17374+1246199+486199+4814198(Top 50%)5078(Top 42%)5078(Top 280%)
25.2M25.20 mi0.35 mi17315+596175+246175+2413987(Top 49%)5030(Top 41%)5030(Top 277%)
Finish26.22 mi1.02 mi17322-76203-286203-2817692(Top 62%)6917(Top 57%)6917(Top 382%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

18717

Females

6730

F45-49

6730

5K→10K

3.1 - 6.2 mi

Top 68%
×5story building
+79ft-138ft

Overall

19207

Females

7003

F45-49

7003

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

18717

Females

6730

F45-49

6730

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

18408

Females

6571

F45-49

6571

20K→Half

12.4 - 13.1 mi

Top 64%
×2story building
+19ft-37ft

Overall

18161

Females

6411

F45-49

6411

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

17099

Females

5912

F45-49

5912

25K→30K

15.5 - 18.6 mi

Top 58%
×9story building
+181ft-148ft

Overall

16537

Females

5765

F45-49

5765

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

16361

Females

5809

F45-49

5809

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

15340

Females

5370

F45-49

5370

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

15574

Females

5564

F45-49

5564

35K→23M

21.8 - 23.0 mi

Top 54%
×5story building
+23ft-63ft

Overall

15272

Females

5482

F45-49

5482

23M→24M

23.0 - 24.0 mi

Top 56%
×6story building
+12ft-82ft

Overall

15775

Females

5793

F45-49

5793

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

14198

Females

5078

F45-49

5078

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13987

Females

5030

F45-49

5030

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2story building
+22ft-21ft

Overall

17692

Females

6917

F45-49

6917

Passing Analysis

Category:
Athletes Passed
3229
Passed By
596
Net Change
+2633
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19955
5K → 10K511133+378#19955#19577
10K → 15K37478+296#19577#19281
15K → 20K33872+266#19281#19015
20K → Half4912+37#19015#18978
Half → 25K35413+341#18978#18637
25K → 30K47356+417#18637#18220
30K → 20M22639+187#18220#18033
20M → 21M18224+158#18033#17875
21M → 35K12820+108#17875#17767
35K → 23M20129+172#17767#17595
23M → 24M12528+97#17595#17498
24M → 40K14016+124#17498#17374
40K → 25.2M645+59#17374#17315
25.2M → Finish6471-7#17315#17322
TOTALS3229596+2633
📊

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