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BOSTON MARATHON 2025

Jennifer Roost

Bib: 22097•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 47%
Masters (Masters Women)
#0 / 6759
Top 35%
Division (F50-54)
#0 / 1303
Top 28%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:03
Rank: #19213
Start → 5K
26:03 | 8:23/mi
10K· 6.21 mi
51:48
Rank: #18840 (+373)
5K → 10K
25:45 | 8:17/mi
15K· 9.32 mi
1:17:45
Rank: #18671 (+169)
10K → 15K
25:57 | 8:21/mi
20K· 12.43 mi
1:44:19
Rank: #18619 (+52)
15K → 20K
26:34 | 8:33/mi
Half· 13.11 mi
1:50:07
Rank: #18637 (-18)
20K → Half
5:48 | 8:30/mi
25K· 15.53 mi
2:10:57
Rank: #18467 (+170)
Half → 25K
20:50 | 8:36/mi
30K· 18.64 mi
2:38:03
Rank: #17962 (+505)
25K → 30K
27:06 | 8:43/mi
20M
2:49:42
Rank: #17676 (+286)
30K → 20M
11:39 | 8:34/mi
21M
2:58:29
Rank: #17360 (+316)
20M → 21M
8:47 | 8:47/mi
35K· 21.75 mi
3:04:40
Rank: #17215 (+145)
21M → 35K
6:11 | 8:16/mi
23M
3:15:23
Rank: #16978 (+237)
35K → 23M
10:43 | 8:34/mi
24M
3:23:43
Rank: #16815 (+163)
23M → 24M
8:20 | 8:20/mi
40K· 24.85 mi
3:31:03
Rank: #16680 (+135)
24M → 40K
7:20 | 8:35/mi
25.2M
3:34:13
Rank: #16626 (+54)
40K → 25.2M
3:10 | 9:11/mi
Finish· 26.22 mi
3:42:29
Rank: #16493 (+133)
25.2M → Finish
8:16 | 8:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:07
Pace8:24 /mi
2nd Half
Distance13.11 mi
Time1:52:22
Pace8:34 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:5626:038:2326:03
8:23
-
10K
6.21 mi11:50:4151:488:2025:45
8:17
-0:06
15K
9.32 mi12:16:381:17:458:2125:57
8:21
+0:04
20K
12.43 mi12:43:121:44:198:2426:34
8:33
+0:12
Half
13.11 mi12:49:001:50:078:245:48
8:30
-0:03
25K
15.53 mi13:09:502:10:578:2620:50
8:36
+0:06
30K
18.64 mi13:36:562:38:038:2927:06
8:43
+0:07
20M
20.00 mi13:48:352:49:428:2911:39
8:34
-0:09
21M
21.00 mi13:57:222:58:298:308:47
8:47
+0:13
35K
21.75 mi14:03:333:04:408:296:11
8:16
-0:31
23M
23.00 mi14:14:163:15:238:3010:43
8:34
+0:18
24M
24.00 mi14:22:363:23:438:298:20
8:20
-0:14
40K
24.85 mi14:29:563:31:038:297:20
8:35
+0:15
25.2M
25.20 mi14:33:063:34:138:303:10
9:11
+0:36
Finish
26.22 mi14:41:223:42:298:308:16
8:07
-1:04

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

8:07 /mi

Average Pace

8:30 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:39:19

99% of race

Time at Steady Pace

3:10

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:29 /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 mi11:24:5626:038:2326:03
8:23
#19213
10K
6.21 mi11:50:4151:488:2025:45
8:17
#18840
15K
9.32 mi12:16:381:17:458:2125:57
8:21
#18671
20K
12.43 mi12:43:121:44:198:2426:34
8:33
#18619
Half
13.11 mi12:49:001:50:078:245:48
8:30
#18637
25K
15.53 mi13:09:502:10:578:2620:50
8:36
#18467
30K
18.64 mi13:36:562:38:038:2927:06
8:43
#17962
20M
20.00 mi13:48:352:49:428:2911:39
8:34
#17676
21M
21.00 mi13:57:222:58:298:308:47
8:47
#17360
35K
21.75 mi14:03:333:04:408:296:11
8:16
#17215
23M
23.00 mi14:14:163:15:238:3010:43
8:34
#16978
24M
24.00 mi14:22:363:23:438:298:20
8:20
#16815
40K
24.85 mi14:29:563:31:038:297:20
8:35
#16680
25.2M
25.20 mi14:33:063:34:138:303:10
9:11
#16626
Finish
26.22 mi14:41:223:42:298:308:16
8:07
#16493
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi192137026702618398(Top 65%)6552(Top 54%)6552(Top 503%)
10K6.21 mi3.10 mi18840+3736811+2156811+21518477(Top 65%)6585(Top 54%)6585(Top 505%)
15K9.32 mi3.11 mi18671+1696714+976714+9718398(Top 65%)6552(Top 54%)6552(Top 503%)
20K12.43 mi3.11 mi18619+526685+296685+2918550(Top 65%)6650(Top 54%)6650(Top 510%)
Half13.11 mi0.68 mi18637-186702-176702-1719211(Top 68%)7002(Top 57%)7002(Top 537%)
25K15.53 mi2.42 mi18467+1706618+846618+8417768(Top 63%)6288(Top 51%)6288(Top 483%)
30K18.64 mi3.11 mi17962+5056380+2386380+23816135(Top 57%)5539(Top 45%)5539(Top 425%)
20M20.00 mi1.36 mi17676+2866252+1286252+12814298(Top 50%)4672(Top 38%)4672(Top 359%)
21M21.00 mi1.00 mi17360+3166091+1616091+16112244(Top 43%)3741(Top 31%)3741(Top 287%)
35K21.75 mi0.75 mi17215+1456029+626029+6214109(Top 50%)4745(Top 39%)4745(Top 364%)
23M23.00 mi1.25 mi16978+2375919+1105919+11013704(Top 48%)4655(Top 38%)4655(Top 357%)
24M24.00 mi1.00 mi16815+1635848+715848+7113515(Top 48%)4581(Top 37%)4581(Top 352%)
40K24.85 mi0.85 mi16680+1355801+475801+4713966(Top 49%)4952(Top 40%)4952(Top 380%)
25.2M25.20 mi0.35 mi16626+545777+245777+2412922(Top 45%)4480(Top 37%)4480(Top 344%)
Finish26.22 mi1.02 mi16493+1335725+525725+5213720(Top 48%)4818(Top 39%)4818(Top 370%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21stories
+97ft-345ft

Overall

18398

Females

6552

F50-54

6552

5K→10K

3.1 - 6.2 mi

Top 65%
×5stories
+79ft-138ft

Overall

18477

Females

6585

F50-54

6585

10K→15K

6.2 - 9.3 mi

Top 65%
×3stories
+67ft-78ft

Overall

18398

Females

6552

F50-54

6552

15K→20K

9.3 - 12.4 mi

Top 65%
×5stories
+106ft-86ft

Overall

18550

Females

6650

F50-54

6650

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

19211

Females

7002

F50-54

7002

Half→25K

13.1 - 15.5 mi

Top 63%
×4stories
+66ft-88ft

Overall

17768

Females

6288

F50-54

6288

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

16135

Females

5539

F50-54

5539

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

14298

Females

4672

F50-54

4672

20M→21M

20.0 - 21.0 mi

Top 43%
×8stories
+106ft-24ft

Overall

12244

Females

3741

F50-54

3741

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

14109

Females

4745

F50-54

4745

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

13704

Females

4655

F50-54

4655

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

13515

Females

4581

F50-54

4581

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

13966

Females

4952

F50-54

4952

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12922

Females

4480

F50-54

4480

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

13720

Females

4818

F50-54

4818

Passing Analysis

Category:
Athletes Passed
3374
Passed By
654
Net Change
+2720
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19213
5K → 10K488115+373#19213#18840
10K → 15K286117+169#18840#18671
15K → 20K222170+52#18671#18619
20K → Half3250-18#18619#18637
Half → 25K24676+170#18637#18467
25K → 30K53833+505#18467#17962
30K → 20M29711+286#17962#17676
20M → 21M3182+316#17676#17360
21M → 35K15813+145#17360#17215
35K → 23M24912+237#17215#16978
23M → 24M17411+163#16978#16815
24M → 40K15722+135#16815#16680
40K → 25.2M617+54#16680#16626
25.2M → Finish14815+133#16626#16493
TOTALS3374654+2720
📊

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