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BOSTON MARATHON 2025

Kristen Williamson

Bib: 12982•F

MN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 40%
Gender (Female)
#0 / 12228
Top 24%
Division (F18-39)
#0 / 5469
Top 41%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:27
Rank: #9710
Start → 5K
22:27 | 7:14/mi
10K· 6.21 mi
45:03
Rank: #9894 (-184)
5K → 10K
22:36 | 7:16/mi
15K· 9.32 mi
1:08:29
Rank: #10626 (-732)
10K → 15K
23:26 | 7:33/mi
20K· 12.43 mi
1:32:50
Rank: #11402 (-776)
15K → 20K
24:21 | 7:50/mi
Half· 13.11 mi
1:38:16
Rank: #11606 (-204)
20K → Half
5:26 | 7:58/mi
25K· 15.53 mi
1:57:49
Rank: #12043 (-437)
Half → 25K
19:33 | 8:04/mi
30K· 18.64 mi
2:23:21
Rank: #12175 (-132)
25K → 30K
25:32 | 8:13/mi
20M
2:34:51
Rank: #12264 (-89)
30K → 20M
11:30 | 8:28/mi
21M
2:43:26
Rank: #12151 (+113)
20M → 21M
8:35 | 8:35/mi
35K· 21.75 mi
2:49:14
Rank: #12076 (+75)
21M → 35K
5:48 | 7:45/mi
23M
2:59:29
Rank: #11992 (+84)
35K → 23M
10:15 | 8:11/mi
24M
3:07:17
Rank: #11866 (+126)
23M → 24M
7:48 | 7:48/mi
40K· 24.85 mi
3:13:52
Rank: #11682 (+184)
24M → 40K
6:35 | 7:42/mi
25.2M
3:16:42
Rank: #11596 (+86)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
3:24:06
Rank: #11370 (+226)
25.2M → Finish
7:24 | 7:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:16
Pace7:30 /mi
2nd Half
Distance13.11 mi
Time1:45:50
Pace8:04 /mi
📊Positive Split: 7.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:3322:277:1422:27
7:14
-
10K
6.21 mi11:14:0945:037:1522:36
7:16
+0:02
15K
9.32 mi11:37:351:08:297:2123:26
7:33
+0:17
20K
12.43 mi12:01:561:32:507:2824:21
7:50
+0:17
Half
13.11 mi12:07:221:38:167:305:26
7:58
+0:08
25K
15.53 mi12:26:551:57:497:3519:33
8:04
+0:06
30K
18.64 mi12:52:272:23:217:4125:32
8:13
+0:09
20M
20.00 mi13:03:572:34:517:4511:30
8:28
+0:15
21M
21.00 mi13:12:322:43:267:478:35
8:35
+0:07
35K
21.75 mi13:18:202:49:147:475:48
7:45
-0:50
23M
23.00 mi13:28:352:59:297:4810:15
8:11
+0:26
24M
24.00 mi13:36:233:07:177:487:48
7:48
-0:23
40K
24.85 mi13:42:583:13:527:486:35
7:42
-0:06
25.2M
25.20 mi13:45:483:16:427:482:50
8:13
+0:31
Finish
26.22 mi13:53:123:24:067:477:24
7:16
-0:57

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

7:14 /mi

Average Pace

7:47 /mi

Slowest Pace

8:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:25

59% of race

Time at Steady Pace

1:15:06

37% of race

Time at Slower Pace

8:35

4% of race

Average Pace: 7:47 /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 mi10:51:3322:277:1422:27
7:14
#9710
10K
6.21 mi11:14:0945:037:1522:36
7:16
#9894
15K
9.32 mi11:37:351:08:297:2123:26
7:33
#10626
20K
12.43 mi12:01:561:32:507:2824:21
7:50
#11402
Half
13.11 mi12:07:221:38:167:305:26
7:58
#11606
25K
15.53 mi12:26:551:57:497:3519:33
8:04
#12043
30K
18.64 mi12:52:272:23:217:4125:32
8:13
#12175
20M
20.00 mi13:03:572:34:517:4511:30
8:28
#12264
21M
21.00 mi13:12:322:43:267:478:35
8:35
#12151
35K
21.75 mi13:18:202:49:147:475:48
7:45
#12076
23M
23.00 mi13:28:352:59:297:4810:15
8:11
#11992
24M
24.00 mi13:36:233:07:177:487:48
7:48
#11866
40K
24.85 mi13:42:583:13:527:486:35
7:42
#11682
25.2M
25.20 mi13:45:483:16:427:482:50
8:13
#11596
Finish
26.22 mi13:53:123:24:067:477:24
7:16
#11370
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi97101684168412144(Top 43%)2986(Top 24%)2986(Top 55%)
10K6.21 mi3.10 mi9894-1841757-731757-7310160(Top 36%)1897(Top 16%)1897(Top 35%)
15K9.32 mi3.11 mi10626-7322143-3862143-38612144(Top 43%)2986(Top 24%)2986(Top 55%)
20K12.43 mi3.11 mi11402-7762555-4122555-41213569(Top 48%)3851(Top 31%)3851(Top 70%)
Half13.11 mi0.68 mi11606-2042664-1092664-10915606(Top 55%)4926(Top 40%)4926(Top 90%)
25K15.53 mi2.42 mi12043-4372944-2802944-28014366(Top 51%)4401(Top 36%)4401(Top 80%)
30K18.64 mi3.11 mi12175-1323086-1423086-14212959(Top 46%)3803(Top 31%)3803(Top 70%)
20M20.00 mi1.36 mi12264-893178-923178-9213546(Top 48%)4263(Top 35%)4263(Top 78%)
21M21.00 mi1.00 mi12151+1133155+233155+2311003(Top 39%)3098(Top 25%)3098(Top 57%)
35K21.75 mi0.75 mi12076+753140+153140+1510510(Top 37%)2861(Top 23%)2861(Top 52%)
23M23.00 mi1.25 mi11992+843127+133127+1311294(Top 40%)3373(Top 28%)3373(Top 62%)
24M24.00 mi1.00 mi11866+1263102+253102+259842(Top 35%)2730(Top 22%)2730(Top 50%)
40K24.85 mi0.85 mi11682+1843039+633039+638134(Top 29%)2061(Top 17%)2061(Top 38%)
25.2M25.20 mi0.35 mi11596+863008+313008+317267(Top 26%)1783(Top 15%)1783(Top 33%)
Finish26.22 mi1.02 mi11370+2262937+712937+717548(Top 27%)1884(Top 15%)1884(Top 34%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21stories
+97ft-345ft

Overall

12144

Females

2986

F18-39

2986

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

10160

Females

1897

F18-39

1897

10K→15K

6.2 - 9.3 mi

Top 43%
×3stories
+67ft-78ft

Overall

12144

Females

2986

F18-39

2986

15K→20K

9.3 - 12.4 mi

Top 48%
×5stories
+106ft-86ft

Overall

13569

Females

3851

F18-39

3851

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

15606

Females

4926

F18-39

4926

Half→25K

13.1 - 15.5 mi

Top 51%
×4stories
+66ft-88ft

Overall

14366

Females

4401

F18-39

4401

25K→30K

15.5 - 18.6 mi

Top 46%
×9stories
+181ft-148ft

Overall

12959

Females

3803

F18-39

3803

30K→20M

18.6 - 20.0 mi

Top 48%
×5stories
+64ft-50ft

Overall

13546

Females

4263

F18-39

4263

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

11003

Females

3098

F18-39

3098

21M→35K

21.0 - 21.8 mi

Top 37%
×7stories
+17ft-86ft

Overall

10510

Females

2861

F18-39

2861

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

11294

Females

3373

F18-39

3373

23M→24M

23.0 - 24.0 mi

Top 35%
×6stories
+12ft-82ft

Overall

9842

Females

2730

F18-39

2730

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

8134

Females

2061

F18-39

2061

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

7267

Females

1783

F18-39

1783

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

7548

Females

1884

F18-39

1884

Passing Analysis

Category:
Athletes Passed
1682
Passed By
3339
Net Change
-1660
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9710
5K → 10K151334-184#9710#9894
10K → 15K46776-732#9894#10626
15K → 20K52828-776#10626#11402
20K → Half5209-204#11402#11606
Half → 25K72509-437#11606#12043
25K → 30K201333-132#12043#12175
30K → 20M96185-89#12175#12264
20M → 21M15744+113#12264#12151
21M → 35K10025+75#12151#12076
35K → 23M14258+84#12076#11992
23M → 24M14620+126#11992#11866
24M → 40K1917+184#11866#11682
40K → 25.2M860+86#11682#11596
25.2M → Finish23711+226#11596#11370
TOTALS16823339-1660
📊

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