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BOSTON MARATHON 2025

Alyssa Dutton

Bib: 17622•F

MI

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 37%
Gender (Female)
#0 / 12228
Top 20%
Division (F18-39)
#0 / 5469
Top 35%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:12
Rank: #9044
Start → 5K
22:12 | 7:09/mi
10K· 6.21 mi
43:58
Rank: #8482 (+562)
5K → 10K
21:46 | 7:00/mi
15K· 9.32 mi
1:05:59
Rank: #8335 (+147)
10K → 15K
22:01 | 7:05/mi
20K· 12.43 mi
1:28:55
Rank: #8592 (-257)
15K → 20K
22:56 | 7:23/mi
Half· 13.11 mi
1:33:50
Rank: #8621 (-29)
20K → Half
4:55 | 7:12/mi
25K· 15.53 mi
1:52:05
Rank: #8814 (-193)
Half → 25K
18:15 | 7:32/mi
30K· 18.64 mi
2:16:33
Rank: #9065 (-251)
25K → 30K
24:28 | 7:53/mi
20M
2:27:41
Rank: #9268 (-203)
30K → 20M
11:08 | 8:12/mi
21M
2:36:22
Rank: #9369 (-101)
20M → 21M
8:41 | 8:41/mi
35K· 21.75 mi
2:42:26
Rank: #9485 (-116)
21M → 35K
6:04 | 8:07/mi
23M
2:52:57
Rank: #9673 (-188)
35K → 23M
10:31 | 8:24/mi
24M
3:02:46
Rank: #10358 (-685)
23M → 24M
9:49 | 9:49/mi
40K· 24.85 mi
3:09:59
Rank: #10436 (-78)
24M → 40K
7:13 | 8:26/mi
25.2M
3:13:07
Rank: #10451 (-15)
40K → 25.2M
3:08 | 9:05/mi
Finish· 26.22 mi
3:21:17
Rank: #10515 (-64)
25.2M → Finish
8:10 | 8:01/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:50
Pace7:09 /mi
2nd Half
Distance13.11 mi
Time1:47:27
Pace8:12 /mi
📊Positive Split: 14.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:3622:127:0922:12
7:09
-
10K
6.21 mi11:34:2243:587:0521:46
7:00
-0:09
15K
9.32 mi11:56:231:05:597:0522:01
7:05
+0:05
20K
12.43 mi12:19:191:28:557:0922:56
7:23
+0:18
Half
13.11 mi12:24:141:33:507:094:55
7:12
-0:11
25K
15.53 mi12:42:291:52:057:1318:15
7:32
+0:20
30K
18.64 mi13:06:572:16:337:2024:28
7:53
+0:21
20M
20.00 mi13:18:052:27:417:2311:08
8:12
+0:19
21M
21.00 mi13:26:462:36:227:278:41
8:41
+0:29
35K
21.75 mi13:32:502:42:267:286:04
8:07
-0:34
23M
23.00 mi13:43:212:52:577:3110:31
8:24
+0:17
24M
24.00 mi13:53:103:02:467:379:49
9:49
+1:25
40K
24.85 mi14:00:233:09:597:397:13
8:26
-1:23
25.2M
25.20 mi14:03:313:13:077:403:08
9:05
+0:39
Finish
26.22 mi14:11:413:21:177:418:10
8:01
-1:04

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

7:00 /mi

Average Pace

7:41 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:05

56% of race

Time at Steady Pace

1:00:21

30% of race

Time at Slower Pace

28:51

14% of race

Average Pace: 7:41 /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 mi11:12:3622:127:0922:12
7:09
#9044
10K
6.21 mi11:34:2243:587:0521:46
7:00
#8482
15K
9.32 mi11:56:231:05:597:0522:01
7:05
#8335
20K
12.43 mi12:19:191:28:557:0922:56
7:23
#8592
Half
13.11 mi12:24:141:33:507:094:55
7:12
#8621
25K
15.53 mi12:42:291:52:057:1318:15
7:32
#8814
30K
18.64 mi13:06:572:16:337:2024:28
7:53
#9065
20M
20.00 mi13:18:052:27:417:2311:08
8:12
#9268
21M
21.00 mi13:26:462:36:227:278:41
8:41
#9369
35K
21.75 mi13:32:502:42:267:286:04
8:07
#9485
23M
23.00 mi13:43:212:52:577:3110:31
8:24
#9673
24M
24.00 mi13:53:103:02:467:379:49
9:49
#10358
40K
24.85 mi14:00:233:09:597:397:13
8:26
#10436
25.2M
25.20 mi14:03:313:13:077:403:08
9:05
#10451
Finish
26.22 mi14:11:413:21:177:418:10
8:01
#10515
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9044138913898263(Top 29%)1141(Top 9%)1141(Top 21%)
10K6.21 mi3.10 mi8482+5621176+2131176+2137978(Top 28%)1003(Top 8%)1003(Top 18%)
15K9.32 mi3.11 mi8335+1471134+421134+428263(Top 29%)1141(Top 9%)1141(Top 21%)
20K12.43 mi3.11 mi8592-2571251-1171251-1179761(Top 34%)1859(Top 15%)1859(Top 34%)
Half13.11 mi0.68 mi8621-291277-261277-269226(Top 32%)1611(Top 13%)1611(Top 29%)
25K15.53 mi2.42 mi8814-1931367-901367-9010210(Top 36%)2196(Top 18%)2196(Top 40%)
30K18.64 mi3.11 mi9065-2511538-1711538-17110465(Top 37%)2523(Top 21%)2523(Top 46%)
20M20.00 mi1.36 mi9268-2031658-1201658-12011761(Top 41%)3327(Top 27%)3327(Top 61%)
21M21.00 mi1.00 mi9369-1011739-811739-8111586(Top 41%)3384(Top 28%)3384(Top 62%)
35K21.75 mi0.75 mi9485-1161807-681807-6812999(Top 46%)4147(Top 34%)4147(Top 76%)
23M23.00 mi1.25 mi9673-1881937-1301937-13012686(Top 45%)4084(Top 33%)4084(Top 75%)
24M24.00 mi1.00 mi10358-6852315-3782315-37820780(Top 73%)8488(Top 69%)8488(Top 155%)
40K24.85 mi0.85 mi10436-782384-692384-6913047(Top 46%)4458(Top 36%)4458(Top 82%)
25.2M25.20 mi0.35 mi10451-152409-252409-2512299(Top 43%)4098(Top 34%)4098(Top 75%)
Finish26.22 mi1.02 mi10515-642483-742483-7412983(Top 46%)4419(Top 36%)4419(Top 81%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21stories
+97ft-345ft

Overall

8263

Females

1141

F18-39

1141

5K→10K

3.1 - 6.2 mi

Top 28%
×5stories
+79ft-138ft

Overall

7978

Females

1003

F18-39

1003

10K→15K

6.2 - 9.3 mi

Top 29%
×3stories
+67ft-78ft

Overall

8263

Females

1141

F18-39

1141

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

9761

Females

1859

F18-39

1859

20K→Half

12.4 - 13.1 mi

Top 32%
×2stories
+19ft-37ft

Overall

9226

Females

1611

F18-39

1611

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

10210

Females

2196

F18-39

2196

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

10465

Females

2523

F18-39

2523

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

11761

Females

3327

F18-39

3327

20M→21M

20.0 - 21.0 mi

Top 41%
×8stories
+106ft-24ft

Overall

11586

Females

3384

F18-39

3384

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

12999

Females

4147

F18-39

4147

35K→23M

21.8 - 23.0 mi

Top 45%
×5stories
+23ft-63ft

Overall

12686

Females

4084

F18-39

4084

23M→24M

23.0 - 24.0 mi

Top 73%
×6stories
+12ft-82ft

Overall

20780

Females

8488

F18-39

8488

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

13047

Females

4458

F18-39

4458

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

12299

Females

4098

F18-39

4098

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2stories
+22ft-21ft

Overall

12983

Females

4419

F18-39

4419

Passing Analysis

Category:
Athletes Passed
1559
Passed By
3028
Net Change
-1471
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9044
5K → 10K60240+562#9044#8482
10K → 15K23083+147#8482#8335
15K → 20K101358-257#8335#8592
20K → Half2453-29#8592#8621
Half → 25K93286-193#8621#8814
25K → 30K146397-251#8814#9065
30K → 20M56259-203#9065#9268
20M → 21M59160-101#9268#9369
21M → 35K33149-116#9369#9485
35K → 23M61249-188#9485#9673
23M → 24M11694-685#9673#10358
24M → 40K55133-78#10358#10436
40K → 25.2M2944-15#10436#10451
25.2M → Finish59123-64#10451#10515
TOTALS15593028-1471
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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