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BOSTON MARATHON 2025

Jennifer Hampson-Thul

Bib: 17031•F

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:35
Rank: #13055
Start → 5K
23:35 | 7:35/mi
10K· 6.21 mi
49:07
Rank: #15740 (-2685)
5K → 10K
25:32 | 8:13/mi
15K· 9.32 mi
1:16:43
Rank: #17979 (-2239)
10K → 15K
27:36 | 8:53/mi
20K· 12.43 mi
1:45:48
Rank: #19348 (-1369)
15K → 20K
29:05 | 9:22/mi
Half· 13.11 mi
1:51:38
Rank: #19366 (-18)
20K → Half
5:50 | 8:33/mi
25K· 15.53 mi
2:15:36
Rank: #20243 (-877)
Half → 25K
23:58 | 9:53/mi
30K· 18.64 mi
2:48:20
Rank: #21010 (-767)
25K → 30K
32:44 | 10:32/mi
20M
3:01:55
Rank: #21010
30K → 20M
13:35 | 10:00/mi
21M
3:12:21
Rank: #20932 (+78)
20M → 21M
10:26 | 10:26/mi
35K· 21.75 mi
3:19:01
Rank: #20810 (+122)
21M → 35K
6:40 | 8:55/mi
23M
3:31:59
Rank: #20905 (-95)
35K → 23M
12:58 | 10:21/mi
24M
3:41:49
Rank: #20908 (-3)
23M → 24M
9:50 | 9:50/mi
40K· 24.85 mi
3:50:48
Rank: #20947 (-39)
24M → 40K
8:59 | 10:30/mi
25.2M
3:54:28
Rank: #20915 (+32)
40K → 25.2M
3:40 | 10:38/mi
Finish· 26.22 mi
4:04:12
Rank: #20923 (-8)
25.2M → Finish
9:44 | 9:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:38
Pace8:31 /mi
2nd Half
Distance13.11 mi
Time2:12:34
Pace10:07 /mi
📊Positive Split: 18.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:0223:357:3523:35
7:35
-
10K
6.21 mi11:39:3449:077:5425:32
8:13
+0:38
15K
9.32 mi12:07:101:16:438:1427:36
8:53
+0:40
20K
12.43 mi12:36:151:45:488:3129:05
9:22
+0:29
Half
13.11 mi12:42:051:51:388:315:50
8:33
-0:49
25K
15.53 mi13:06:032:15:368:4423:58
9:53
+1:20
30K
18.64 mi13:38:472:48:209:0232:44
10:32
+0:39
20M
20.00 mi13:52:223:01:559:0613:35
10:00
-0:32
21M
21.00 mi14:02:483:12:219:1010:26
10:26
+0:26
35K
21.75 mi14:09:283:19:019:096:40
8:55
-1:31
23M
23.00 mi14:22:263:31:599:1312:58
10:21
+1:26
24M
24.00 mi14:32:163:41:499:159:50
9:50
-0:31
40K
24.85 mi14:41:153:50:489:178:59
10:30
+0:40
25.2M
25.20 mi14:44:553:54:289:183:40
10:38
+0:08
Finish
26.22 mi14:54:394:04:129:199:44
9:33
-1:05

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

7:35 /mi

Average Pace

9:19 /mi

Slowest Pace

10:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:18

48% of race

Time at Steady Pace

57:07

23% of race

Time at Slower Pace

1:08:47

28% of race

Average Pace: 9:19 /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 mi11:14:0223:357:3523:35
7:35
#13055
10K
6.21 mi11:39:3449:077:5425:32
8:13
#15740
15K
9.32 mi12:07:101:16:438:1427:36
8:53
#17979
20K
12.43 mi12:36:151:45:488:3129:05
9:22
#19348
Half
13.11 mi12:42:051:51:388:315:50
8:33
#19366
25K
15.53 mi13:06:032:15:368:4423:58
9:53
#20243
30K
18.64 mi13:38:472:48:209:0232:44
10:32
#21010
20M
20.00 mi13:52:223:01:559:0613:35
10:00
#21010
21M
21.00 mi14:02:483:12:219:1010:26
10:26
#20932
35K
21.75 mi14:09:283:19:019:096:40
8:55
#20810
23M
23.00 mi14:22:263:31:599:1312:58
10:21
#20905
24M
24.00 mi14:32:163:41:499:159:50
9:50
#20908
40K
24.85 mi14:41:153:50:489:178:59
10:30
#20947
25.2M
25.20 mi14:44:553:54:289:183:40
10:38
#20915
Finish
26.22 mi14:54:394:04:129:199:44
9:33
#20923
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi130553349334921494(Top 76%)8274(Top 68%)8274(Top 151%)
10K6.21 mi3.10 mi15740-26854987-16384987-163818038(Top 64%)6320(Top 52%)6320(Top 116%)
15K9.32 mi3.11 mi17979-22396319-13326319-133221494(Top 76%)8274(Top 68%)8274(Top 151%)
20K12.43 mi3.11 mi19348-13697108-7897108-78922450(Top 79%)8835(Top 72%)8835(Top 162%)
Half13.11 mi0.68 mi19366-187114-67114-619596(Top 69%)7252(Top 59%)7252(Top 133%)
25K15.53 mi2.42 mi20243-8777629-5157629-51522976(Top 81%)9179(Top 75%)9179(Top 168%)
30K18.64 mi3.11 mi21010-7678093-4648093-46423012(Top 81%)9328(Top 76%)9328(Top 171%)
20M20.00 mi1.36 mi210108109-168109-1620935(Top 74%)8325(Top 68%)8325(Top 152%)
21M21.00 mi1.00 mi20932+788089+208089+2019814(Top 70%)7807(Top 64%)7807(Top 143%)
35K21.75 mi0.75 mi20810+1228038+518038+5117867(Top 63%)6843(Top 56%)6843(Top 125%)
23M23.00 mi1.25 mi20905-958114-768114-7621599(Top 76%)8873(Top 73%)8873(Top 162%)
24M24.00 mi1.00 mi20908-38131-178131-1720853(Top 73%)8525(Top 70%)8525(Top 156%)
40K24.85 mi0.85 mi20947-398170-398170-3921963(Top 77%)9174(Top 75%)9174(Top 168%)
25.2M25.20 mi0.35 mi20915+328162+88162+819543(Top 69%)7930(Top 65%)7930(Top 145%)
Finish26.22 mi1.02 mi20923-88186-248186-2421375(Top 75%)8846(Top 72%)8846(Top 162%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21stories
+97ft-345ft

Overall

21494

Females

8274

F18-39

8274

5K→10K

3.1 - 6.2 mi

Top 64%
×5stories
+79ft-138ft

Overall

18038

Females

6320

F18-39

6320

10K→15K

6.2 - 9.3 mi

Top 76%
×3stories
+67ft-78ft

Overall

21494

Females

8274

F18-39

8274

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

22450

Females

8835

F18-39

8835

20K→Half

12.4 - 13.1 mi

Top 69%
×2stories
+19ft-37ft

Overall

19596

Females

7252

F18-39

7252

Half→25K

13.1 - 15.5 mi

Top 81%
×4stories
+66ft-88ft

Overall

22976

Females

9179

F18-39

9179

25K→30K

15.5 - 18.6 mi

Top 81%
×9stories
+181ft-148ft

Overall

23012

Females

9328

F18-39

9328

30K→20M

18.6 - 20.0 mi

Top 74%
×5stories
+64ft-50ft

Overall

20935

Females

8325

F18-39

8325

20M→21M

20.0 - 21.0 mi

Top 70%
×8stories
+106ft-24ft

Overall

19814

Females

7807

F18-39

7807

21M→35K

21.0 - 21.8 mi

Top 63%
×7stories
+17ft-86ft

Overall

17867

Females

6843

F18-39

6843

35K→23M

21.8 - 23.0 mi

Top 76%
×5stories
+23ft-63ft

Overall

21599

Females

8873

F18-39

8873

23M→24M

23.0 - 24.0 mi

Top 73%
×6stories
+12ft-82ft

Overall

20853

Females

8525

F18-39

8525

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

21963

Females

9174

F18-39

9174

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

19543

Females

7930

F18-39

7930

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

21375

Females

8846

F18-39

8846

Passing Analysis

Category:
Athletes Passed
764
Passed By
8632
Net Change
-7868
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13055
5K → 10K122697-2685#13055#15740
10K → 15K132252-2239#15740#17979
15K → 20K211390-1369#17979#19348
20K → Half2341-18#19348#19366
Half → 25K28905-877#19366#20243
25K → 30K60827-767#20243#21010
30K → 20M1041040#21010#21010
20M → 21M13052+78#21010#20932
21M → 35K1297+122#20932#20810
35K → 23M65160-95#20810#20905
23M → 24M5558-3#20905#20908
24M → 40K4180-39#20908#20947
40K → 25.2M397+32#20947#20915
25.2M → Finish4452-8#20915#20923
TOTALS7648632-7868
📊

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