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BOSTON MARATHON 2025

Alyssa Jackson

Bib: 17626•F

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0:00
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Overall
#0 / 28404
Top 45%
Gender (Female)
#0 / 12228
Top 30%
Division (F18-39)
#0 / 5469
Top 48%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:50
Rank: #13720
Start → 5K
23:50 | 7:40/mi
10K· 6.21 mi
47:27
Rank: #13368 (+352)
5K → 10K
23:37 | 7:36/mi
15K· 9.32 mi
1:10:56
Rank: #12957 (+411)
10K → 15K
23:29 | 7:34/mi
20K· 12.43 mi
1:34:34
Rank: #12574 (+383)
15K → 20K
23:38 | 7:36/mi
Half· 13.11 mi
1:39:43
Rank: #12555 (+19)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
1:58:37
Rank: #12495 (+60)
Half → 25K
18:54 | 7:48/mi
30K· 18.64 mi
2:24:14
Rank: #12576 (-81)
25K → 30K
25:37 | 8:15/mi
20M
2:35:48
Rank: #12645 (-69)
30K → 20M
11:34 | 8:31/mi
21M
2:44:51
Rank: #12695 (-50)
20M → 21M
9:03 | 9:03/mi
35K· 21.75 mi
2:51:04
Rank: #12770 (-75)
21M → 35K
6:13 | 8:19/mi
23M
3:01:31
Rank: #12705 (+65)
35K → 23M
10:27 | 8:21/mi
24M
3:09:59
Rank: #12770 (-65)
23M → 24M
8:28 | 8:28/mi
40K· 24.85 mi
3:17:12
Rank: #12773 (-3)
24M → 40K
7:13 | 8:26/mi
25.2M
3:20:36
Rank: #12841 (-68)
40K → 25.2M
3:24 | 9:52/mi
Finish· 26.22 mi
3:28:38
Rank: #12799 (+42)
25.2M → Finish
8:02 | 7:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:43
Pace7:36 /mi
2nd Half
Distance13.11 mi
Time1:48:55
Pace8:19 /mi
📊Positive Split: 9.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:2623:507:4023:50
7:40
-
10K
6.21 mi11:38:0347:277:3823:37
7:36
-0:04
15K
9.32 mi12:01:321:10:567:3723:29
7:34
-0:02
20K
12.43 mi12:25:101:34:347:3723:38
7:36
+0:02
Half
13.11 mi12:30:191:39:437:365:09
7:33
-0:03
25K
15.53 mi12:49:131:58:377:3818:54
7:48
+0:15
30K
18.64 mi13:14:502:24:147:4425:37
8:15
+0:27
20M
20.00 mi13:26:242:35:487:4711:34
8:31
+0:16
21M
21.00 mi13:35:272:44:517:519:03
9:03
+0:32
35K
21.75 mi13:41:402:51:047:526:13
8:19
-0:44
23M
23.00 mi13:52:073:01:317:5410:27
8:21
+0:02
24M
24.00 mi14:00:353:09:597:558:28
8:28
+0:07
40K
24.85 mi14:07:483:17:127:567:13
8:26
-0:02
25.2M
25.20 mi14:11:123:20:367:583:24
9:52
+1:26
Finish
26.22 mi14:19:143:28:387:588:02
7:53
-1:59

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

7:33 /mi

Average Pace

7:58 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:39

61% of race

Time at Steady Pace

1:09:32

33% of race

Time at Slower Pace

12:27

6% of race

Average Pace: 7:57 /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 mi11:14:2623:507:4023:50
7:40
#13720
10K
6.21 mi11:38:0347:277:3823:37
7:36
#13368
15K
9.32 mi12:01:321:10:567:3723:29
7:34
#12957
20K
12.43 mi12:25:101:34:347:3723:38
7:36
#12574
Half
13.11 mi12:30:191:39:437:365:09
7:33
#12555
25K
15.53 mi12:49:131:58:377:3818:54
7:48
#12495
30K
18.64 mi13:14:502:24:147:4425:37
8:15
#12576
20M
20.00 mi13:26:242:35:487:4711:34
8:31
#12645
21M
21.00 mi13:35:272:44:517:519:03
9:03
#12695
35K
21.75 mi13:41:402:51:047:526:13
8:19
#12770
23M
23.00 mi13:52:073:01:317:5410:27
8:21
#12705
24M
24.00 mi14:00:353:09:597:558:28
8:28
#12770
40K
24.85 mi14:07:483:17:127:567:13
8:26
#12773
25.2M
25.20 mi14:11:123:20:367:583:24
9:52
#12841
Finish
26.22 mi14:19:143:28:387:588:02
7:53
#12799
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi137203720372012264(Top 43%)3051(Top 25%)3051(Top 56%)
10K6.21 mi3.10 mi13368+3523569+1513569+15113057(Top 46%)3403(Top 28%)3403(Top 62%)
15K9.32 mi3.11 mi12957+4113363+2063363+20612264(Top 43%)3051(Top 25%)3051(Top 56%)
20K12.43 mi3.11 mi12574+3833189+1743189+17411670(Top 41%)2820(Top 23%)2820(Top 52%)
Half13.11 mi0.68 mi12555+193182+73182+712218(Top 43%)3079(Top 25%)3079(Top 56%)
25K15.53 mi2.42 mi12495+603188-63188-612330(Top 43%)3297(Top 27%)3297(Top 60%)
30K18.64 mi3.11 mi12576-813313-1253313-12513140(Top 46%)3909(Top 32%)3909(Top 71%)
20M20.00 mi1.36 mi12645-693385-723385-7213881(Top 49%)4447(Top 36%)4447(Top 81%)
21M21.00 mi1.00 mi12695-503447-623447-6213815(Top 49%)4521(Top 37%)4521(Top 83%)
35K21.75 mi0.75 mi12770-753508-613508-6114310(Top 50%)4841(Top 40%)4841(Top 89%)
23M23.00 mi1.25 mi12705+653504+43504+412332(Top 43%)3915(Top 32%)3915(Top 72%)
24M24.00 mi1.00 mi12770-653568-643568-6414303(Top 50%)4972(Top 41%)4972(Top 91%)
40K24.85 mi0.85 mi12773-33605-373605-3713057(Top 46%)4468(Top 37%)4468(Top 82%)
25.2M25.20 mi0.35 mi12841-683656-513656-5116393(Top 58%)6254(Top 51%)6254(Top 114%)
Finish26.22 mi1.02 mi12799+423652+43652+412082(Top 43%)3970(Top 32%)3970(Top 73%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21stories
+97ft-345ft

Overall

12264

Females

3051

F18-39

3051

5K→10K

3.1 - 6.2 mi

Top 46%
×5stories
+79ft-138ft

Overall

13057

Females

3403

F18-39

3403

10K→15K

6.2 - 9.3 mi

Top 43%
×3stories
+67ft-78ft

Overall

12264

Females

3051

F18-39

3051

15K→20K

9.3 - 12.4 mi

Top 41%
×5stories
+106ft-86ft

Overall

11670

Females

2820

F18-39

2820

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

12218

Females

3079

F18-39

3079

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

12330

Females

3297

F18-39

3297

25K→30K

15.5 - 18.6 mi

Top 46%
×9stories
+181ft-148ft

Overall

13140

Females

3909

F18-39

3909

30K→20M

18.6 - 20.0 mi

Top 49%
×5stories
+64ft-50ft

Overall

13881

Females

4447

F18-39

4447

20M→21M

20.0 - 21.0 mi

Top 49%
×8stories
+106ft-24ft

Overall

13815

Females

4521

F18-39

4521

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

14310

Females

4841

F18-39

4841

35K→23M

21.8 - 23.0 mi

Top 43%
×5stories
+23ft-63ft

Overall

12332

Females

3915

F18-39

3915

23M→24M

23.0 - 24.0 mi

Top 50%
×6stories
+12ft-82ft

Overall

14303

Females

4972

F18-39

4972

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

13057

Females

4468

F18-39

4468

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

16393

Females

6254

F18-39

6254

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2stories
+22ft-21ft

Overall

12082

Females

3970

F18-39

3970

Passing Analysis

Category:
Athletes Passed
2436
Passed By
1515
Net Change
+921
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13720
5K → 10K491139+352#13720#13368
10K → 15K46857+411#13368#12957
15K → 20K42542+383#12957#12574
20K → Half4122+19#12574#12555
Half → 25K179119+60#12555#12495
25K → 30K215296-81#12495#12576
30K → 20M92161-69#12576#12645
20M → 21M97147-50#12645#12695
21M → 35K45120-75#12695#12770
35K → 23M14176+65#12770#12705
23M → 24M55120-65#12705#12770
24M → 40K7477-3#12770#12773
40K → 25.2M1987-68#12773#12841
25.2M → Finish9452+42#12841#12799
TOTALS24361515+921
📊

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