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BOSTON MARATHON 2025

Jennifer Strand

Bib: 21871•F

VT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 40%
Masters (Masters Women)
#0 / 6759
Top 25%
Division (F45-49)
#0 / 1813
Top 30%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:49
Rank: #16493
Start → 5K
24:49 | 7:59/mi
10K· 6.21 mi
49:15
Rank: #15919 (+574)
5K → 10K
24:26 | 7:52/mi
15K· 9.32 mi
1:13:56
Rank: #15780 (+139)
10K → 15K
24:41 | 7:57/mi
20K· 12.43 mi
1:39:01
Rank: #15698 (+82)
15K → 20K
25:05 | 8:04/mi
Half· 13.11 mi
1:44:27
Rank: #15685 (+13)
20K → Half
5:26 | 7:58/mi
25K· 15.53 mi
2:04:17
Rank: #15545 (+140)
Half → 25K
19:50 | 8:11/mi
30K· 18.64 mi
2:30:30
Rank: #15318 (+227)
25K → 30K
26:13 | 8:26/mi
20M
2:42:09
Rank: #15202 (+116)
30K → 20M
11:39 | 8:34/mi
21M
2:51:21
Rank: #15098 (+104)
20M → 21M
9:12 | 9:12/mi
35K· 21.75 mi
2:57:29
Rank: #15026 (+72)
21M → 35K
6:08 | 8:12/mi
23M
3:08:27
Rank: #14976 (+50)
35K → 23M
10:58 | 8:46/mi
24M
3:17:00
Rank: #14938 (+38)
23M → 24M
8:33 | 8:33/mi
40K· 24.85 mi
3:24:35
Rank: #14967 (-29)
24M → 40K
7:35 | 8:52/mi
25.2M
3:27:56
Rank: #14967
40K → 25.2M
3:21 | 9:43/mi
Finish· 26.22 mi
3:36:23
Rank: #14937 (+30)
25.2M → Finish
8:27 | 8:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:27
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:51:56
Pace8:32 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:3424:497:5924:49
7:59
-
10K
6.21 mi11:44:0049:157:5624:26
7:52
-0:07
15K
9.32 mi12:08:411:13:567:5624:41
7:57
+0:05
20K
12.43 mi12:33:461:39:017:5825:05
8:04
+0:07
Half
13.11 mi12:39:121:44:277:585:26
7:58
-0:06
25K
15.53 mi12:59:022:04:178:0019:50
8:11
+0:13
30K
18.64 mi13:25:152:30:308:0426:13
8:26
+0:15
20M
20.00 mi13:36:542:42:098:0611:39
8:34
+0:08
21M
21.00 mi13:46:062:51:218:109:12
9:12
+0:38
35K
21.75 mi13:52:142:57:298:106:08
8:12
-1:00
23M
23.00 mi14:03:123:08:278:1210:58
8:46
+0:34
24M
24.00 mi14:11:453:17:008:138:33
8:33
-0:13
40K
24.85 mi14:19:203:24:358:147:35
8:52
+0:19
25.2M
25.20 mi14:22:413:27:568:153:21
9:43
+0:51
Finish
26.22 mi14:31:083:36:238:168:27
8:18
-1:25

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

7:52 /mi

Average Pace

8:16 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:19:22

37% of race

Time at Steady Pace

1:34:16

44% of race

Time at Slower Pace

42:45

20% of race

Average Pace: 8:15 /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 mi11:19:3424:497:5924:49
7:59
#16493
10K
6.21 mi11:44:0049:157:5624:26
7:52
#15919
15K
9.32 mi12:08:411:13:567:5624:41
7:57
#15780
20K
12.43 mi12:33:461:39:017:5825:05
8:04
#15698
Half
13.11 mi12:39:121:44:277:585:26
7:58
#15685
25K
15.53 mi12:59:022:04:178:0019:50
8:11
#15545
30K
18.64 mi13:25:152:30:308:0426:13
8:26
#15318
20M
20.00 mi13:36:542:42:098:0611:39
8:34
#15202
21M
21.00 mi13:46:062:51:218:109:12
9:12
#15098
35K
21.75 mi13:52:142:57:298:106:08
8:12
#15026
23M
23.00 mi14:03:123:08:278:1210:58
8:46
#14976
24M
24.00 mi14:11:453:17:008:138:33
8:33
#14938
40K
24.85 mi14:19:203:24:358:147:35
8:52
#14967
25.2M
25.20 mi14:22:413:27:568:153:21
9:43
#14967
Finish
26.22 mi14:31:083:36:238:168:27
8:18
#14937
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi164935444544415632(Top 55%)4925(Top 40%)4925(Top 272%)
10K6.21 mi3.10 mi15919+5745088+3565088+35615409(Top 54%)4789(Top 39%)4789(Top 264%)
15K9.32 mi3.11 mi15780+1395004+845004+8415632(Top 55%)4925(Top 40%)4925(Top 272%)
20K12.43 mi3.11 mi15698+824981+234981+2315465(Top 54%)4896(Top 40%)4896(Top 270%)
Half13.11 mi0.68 mi15685+134983-24983-215662(Top 55%)4982(Top 41%)4982(Top 275%)
25K15.53 mi2.42 mi15545+1404914+694914+6915187(Top 53%)4842(Top 40%)4842(Top 267%)
30K18.64 mi3.11 mi15318+2274835+794835+7914395(Top 51%)4578(Top 37%)4578(Top 253%)
20M20.00 mi1.36 mi15202+1164810+254810+2514276(Top 50%)4650(Top 38%)4650(Top 256%)
21M21.00 mi1.00 mi15098+1044782+284782+2814652(Top 52%)4970(Top 41%)4970(Top 274%)
35K21.75 mi0.75 mi15026+724755+274755+2713671(Top 48%)4518(Top 37%)4518(Top 249%)
23M23.00 mi1.25 mi14976+504754+14754+114893(Top 52%)5273(Top 43%)5273(Top 291%)
24M24.00 mi1.00 mi14938+384770-164770-1614836(Top 52%)5291(Top 43%)5291(Top 292%)
40K24.85 mi0.85 mi14967-294813-434813-4315595(Top 55%)5841(Top 48%)5841(Top 322%)
25.2M25.20 mi0.35 mi149674833-204833-2015709(Top 55%)5920(Top 48%)5920(Top 327%)
Finish26.22 mi1.02 mi14937+304837-44837-414881(Top 52%)5409(Top 44%)5409(Top 298%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

15632

Females

4925

F45-49

4925

5K→10K

3.1 - 6.2 mi

Top 54%
×5stories
+79ft-138ft

Overall

15409

Females

4789

F45-49

4789

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

15632

Females

4925

F45-49

4925

15K→20K

9.3 - 12.4 mi

Top 54%
×5stories
+106ft-86ft

Overall

15465

Females

4896

F45-49

4896

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

15662

Females

4982

F45-49

4982

Half→25K

13.1 - 15.5 mi

Top 53%
×4stories
+66ft-88ft

Overall

15187

Females

4842

F45-49

4842

25K→30K

15.5 - 18.6 mi

Top 51%
×9stories
+181ft-148ft

Overall

14395

Females

4578

F45-49

4578

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

14276

Females

4650

F45-49

4650

20M→21M

20.0 - 21.0 mi

Top 52%
×8stories
+106ft-24ft

Overall

14652

Females

4970

F45-49

4970

21M→35K

21.0 - 21.8 mi

Top 48%
×7stories
+17ft-86ft

Overall

13671

Females

4518

F45-49

4518

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

14893

Females

5273

F45-49

5273

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

14836

Females

5291

F45-49

5291

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

15595

Females

5841

F45-49

5841

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15709

Females

5920

F45-49

5920

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2stories
+22ft-21ft

Overall

14881

Females

5409

F45-49

5409

Passing Analysis

Category:
Athletes Passed
2655
Passed By
1099
Net Change
+1556
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16493
5K → 10K679105+574#16493#15919
10K → 15K272133+139#15919#15780
15K → 20K240158+82#15780#15698
20K → Half2916+13#15698#15685
Half → 25K240100+140#15685#15545
25K → 30K352125+227#15545#15318
30K → 20M17256+116#15318#15202
20M → 21M16157+104#15202#15098
21M → 35K9321+72#15098#15026
35K → 23M13383+50#15026#14976
23M → 24M9961+38#14976#14938
24M → 40K5887-29#14938#14967
40K → 25.2M43430#14967#14967
25.2M → Finish8454+30#14967#14937
TOTALS26551099+1556
📊

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