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BOSTON MARATHON 2025

Kristen Jaremback

Bib: 22892•F

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 47%
Division (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
24:59
Rank: #16938
Start → 5K
24:59 | 8:02/mi
10K· 6.21 mi
50:19
Rank: #17245 (-307)
5K → 10K
25:20 | 8:09/mi
15K· 9.32 mi
1:15:41
Rank: #17236 (+9)
10K → 15K
25:22 | 8:10/mi
20K· 12.43 mi
1:41:36
Rank: #17183 (+53)
15K → 20K
25:55 | 8:21/mi
Half· 13.11 mi
1:47:21
Rank: #17261 (-78)
20K → Half
5:45 | 8:26/mi
25K· 15.53 mi
2:08:34
Rank: #17459 (-198)
Half → 25K
21:13 | 8:45/mi
30K· 18.64 mi
2:36:49
Rank: #17555 (-96)
25K → 30K
28:15 | 9:06/mi
20M
2:49:32
Rank: #17618 (-63)
30K → 20M
12:43 | 9:21/mi
21M
2:59:30
Rank: #17678 (-60)
20M → 21M
9:58 | 9:58/mi
35K· 21.75 mi
3:06:32
Rank: #17781 (-103)
21M → 35K
7:02 | 9:24/mi
23M
3:18:47
Rank: #17939 (-158)
35K → 23M
12:15 | 9:47/mi
24M
3:28:35
Rank: #18100 (-161)
23M → 24M
9:48 | 9:48/mi
40K· 24.85 mi
3:37:09
Rank: #18233 (-133)
24M → 40K
8:34 | 10:01/mi
25.2M
3:40:57
Rank: #18298 (-65)
40K → 25.2M
3:48 | 11:01/mi
Finish· 26.22 mi
3:50:50
Rank: #18512 (-214)
25.2M → Finish
9:53 | 9:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:21
Pace8:11 /mi
2nd Half
Distance13.11 mi
Time2:03:29
Pace9:25 /mi
📊Positive Split: 15.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:1024:598:0224:59
8:02
-
10K
6.21 mi11:46:3050:198:0625:20
8:09
+0:07
15K
9.32 mi12:11:521:15:418:0725:22
8:10
+0:01
20K
12.43 mi12:37:471:41:368:1125:55
8:21
+0:11
Half
13.11 mi12:43:321:47:218:115:45
8:26
+0:05
25K
15.53 mi13:04:452:08:348:1721:13
8:45
+0:19
30K
18.64 mi13:33:002:36:498:2528:15
9:06
+0:21
20M
20.00 mi13:45:432:49:328:2912:43
9:21
+0:15
21M
21.00 mi13:55:412:59:308:339:58
9:58
+0:37
35K
21.75 mi14:02:433:06:328:357:02
9:24
-0:34
23M
23.00 mi14:14:583:18:478:3912:15
9:47
+0:23
24M
24.00 mi14:24:463:28:358:419:48
9:48
+0:01
40K
24.85 mi14:33:203:37:098:448:34
10:01
+0:13
25.2M
25.20 mi14:37:083:40:578:463:48
11:01
+1:00
Finish
26.22 mi14:47:013:50:508:499:53
9:42
-1:19

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

8:02 /mi

Average Pace

8:49 /mi

Slowest Pace

11:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:08:34

56% of race

Time at Steady Pace

57:53

25% of race

Time at Slower Pace

44:23

19% of race

Average Pace: 8:48 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:21:1024:598:0224:59
8:02
#16938
10K
6.21 mi11:46:3050:198:0625:20
8:09
#17245
15K
9.32 mi12:11:521:15:418:0725:22
8:10
#17236
20K
12.43 mi12:37:471:41:368:1125:55
8:21
#17183
Half
13.11 mi12:43:321:47:218:115:45
8:26
#17261
25K
15.53 mi13:04:452:08:348:1721:13
8:45
#17459
30K
18.64 mi13:33:002:36:498:2528:15
9:06
#17555
20M
20.00 mi13:45:432:49:328:2912:43
9:21
#17618
21M
21.00 mi13:55:412:59:308:339:58
9:58
#17678
35K
21.75 mi14:02:433:06:328:357:02
9:24
#17781
23M
23.00 mi14:14:583:18:478:3912:15
9:47
#17939
24M
24.00 mi14:24:463:28:358:419:48
9:48
#18100
40K
24.85 mi14:33:203:37:098:448:34
10:01
#18233
25.2M
25.20 mi14:37:083:40:578:463:48
11:01
#18298
Finish
26.22 mi14:47:013:50:508:499:53
9:42
#18512
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi169385710571017185(Top 61%)5841(Top 48%)5841(Top 322%)
10K6.21 mi3.10 mi17245-3075874-1645874-16417588(Top 62%)6057(Top 50%)6057(Top 334%)
15K9.32 mi3.11 mi17236+95854+205854+2017185(Top 61%)5841(Top 48%)5841(Top 322%)
20K12.43 mi3.11 mi17183+535852+25852+217189(Top 61%)5884(Top 48%)5884(Top 325%)
Half13.11 mi0.68 mi17261-785903-515903-5118791(Top 66%)6785(Top 55%)6785(Top 374%)
25K15.53 mi2.42 mi17459-1986033-1306033-13018679(Top 66%)6802(Top 56%)6802(Top 375%)
30K18.64 mi3.11 mi17555-966158-1256158-12518162(Top 64%)6671(Top 55%)6671(Top 368%)
20M20.00 mi1.36 mi17618-636217-596217-5918568(Top 65%)7038(Top 58%)7038(Top 388%)
21M21.00 mi1.00 mi17678-606259-426259-4218182(Top 64%)6886(Top 56%)6886(Top 380%)
35K21.75 mi0.75 mi17781-1036322-636322-6319963(Top 70%)7954(Top 65%)7954(Top 439%)
23M23.00 mi1.25 mi17939-1586463-1416463-14119751(Top 70%)7916(Top 65%)7916(Top 437%)
24M24.00 mi1.00 mi18100-1616572-1096572-10920727(Top 73%)8458(Top 69%)8458(Top 467%)
40K24.85 mi0.85 mi18233-1336672-1006672-10020516(Top 72%)8412(Top 69%)8412(Top 464%)
25.2M25.20 mi0.35 mi18298-656724-526724-5220721(Top 73%)8505(Top 70%)8505(Top 469%)
Finish26.22 mi1.02 mi18512-2146857-1336857-13321924(Top 77%)9115(Top 75%)9115(Top 503%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21stories
+97ft-345ft

Overall

17185

Females

5841

F45-49

5841

5K→10K

3.1 - 6.2 mi

Top 62%
×5stories
+79ft-138ft

Overall

17588

Females

6057

F45-49

6057

10K→15K

6.2 - 9.3 mi

Top 61%
×3stories
+67ft-78ft

Overall

17185

Females

5841

F45-49

5841

15K→20K

9.3 - 12.4 mi

Top 61%
×5stories
+106ft-86ft

Overall

17189

Females

5884

F45-49

5884

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

18791

Females

6785

F45-49

6785

Half→25K

13.1 - 15.5 mi

Top 66%
×4stories
+66ft-88ft

Overall

18679

Females

6802

F45-49

6802

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

18162

Females

6671

F45-49

6671

30K→20M

18.6 - 20.0 mi

Top 65%
×5stories
+64ft-50ft

Overall

18568

Females

7038

F45-49

7038

20M→21M

20.0 - 21.0 mi

Top 64%
×8stories
+106ft-24ft

Overall

18182

Females

6886

F45-49

6886

21M→35K

21.0 - 21.8 mi

Top 70%
×7stories
+17ft-86ft

Overall

19963

Females

7954

F45-49

7954

35K→23M

21.8 - 23.0 mi

Top 70%
×5stories
+23ft-63ft

Overall

19751

Females

7916

F45-49

7916

23M→24M

23.0 - 24.0 mi

Top 73%
×6stories
+12ft-82ft

Overall

20727

Females

8458

F45-49

8458

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

20516

Females

8412

F45-49

8412

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

20721

Females

8505

F45-49

8505

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2stories
+22ft-21ft

Overall

21924

Females

9115

F45-49

9115

Passing Analysis

Category:
Athletes Passed
1312
Passed By
2886
Net Change
-1574
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16938
5K → 10K186493-307#16938#17245
10K → 15K202193+9#17245#17236
15K → 20K213160+53#17236#17183
20K → Half1593-78#17183#17261
Half → 25K118316-198#17261#17459
25K → 30K194290-96#17459#17555
30K → 20M98161-63#17555#17618
20M → 21M82142-60#17618#17678
21M → 35K39142-103#17678#17781
35K → 23M66224-158#17781#17939
23M → 24M40201-161#17939#18100
24M → 40K35168-133#18100#18233
40K → 25.2M1176-65#18233#18298
25.2M → Finish13227-214#18298#18512
TOTALS13122886-1574
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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