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BOSTON MARATHON 2025

Ilona Jaspers

Bib: 22233•F

NC

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 (F55-59)
#0 / 994
Top 9%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:15
Rank: #17555
Start → 5K
25:15 | 8:08/mi
10K· 6.21 mi
50:28
Rank: #17420 (+135)
5K → 10K
25:13 | 8:07/mi
15K· 9.32 mi
1:15:44
Rank: #17267 (+153)
10K → 15K
25:16 | 8:08/mi
20K· 12.43 mi
1:41:04
Rank: #16924 (+343)
15K → 20K
25:20 | 8:09/mi
Half· 13.11 mi
1:46:34
Rank: #16886 (+38)
20K → Half
5:30 | 8:04/mi
25K· 15.53 mi
2:06:29
Rank: #16587 (+299)
Half → 25K
19:55 | 8:13/mi
30K· 18.64 mi
2:32:26
Rank: #16068 (+519)
25K → 30K
25:57 | 8:21/mi
20M
2:43:55
Rank: #15836 (+232)
30K → 20M
11:29 | 8:27/mi
21M
2:52:51
Rank: #15623 (+213)
20M → 21M
8:56 | 8:56/mi
35K· 21.75 mi
2:58:57
Rank: #15531 (+92)
21M → 35K
6:06 | 8:09/mi
23M
3:09:34
Rank: #15329 (+202)
35K → 23M
10:37 | 8:29/mi
24M
3:17:52
Rank: #15221 (+108)
23M → 24M
8:18 | 8:18/mi
40K· 24.85 mi
3:25:08
Rank: #15137 (+84)
24M → 40K
7:16 | 8:30/mi
25.2M
3:28:14
Rank: #15052 (+85)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:36:31
Rank: #14972 (+80)
25.2M → Finish
8:17 | 8:08/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:34
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:49:57
Pace8:23 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:1625:158:0825:15
8:08
-
10K
6.21 mi11:46:2950:288:0725:13
8:07
-0:01
15K
9.32 mi12:11:451:15:448:0825:16
8:08
+0:01
20K
12.43 mi12:37:051:41:048:0825:20
8:09
+0:01
Half
13.11 mi12:42:351:46:348:085:30
8:04
-0:05
25K
15.53 mi13:02:302:06:298:0919:55
8:13
+0:09
30K
18.64 mi13:28:272:32:268:1125:57
8:21
+0:08
20M
20.00 mi13:39:562:43:558:1211:29
8:27
+0:06
21M
21.00 mi13:48:522:52:518:148:56
8:56
+0:29
35K
21.75 mi13:54:582:58:578:146:06
8:09
-0:47
23M
23.00 mi14:05:353:09:348:1510:37
8:29
+0:20
24M
24.00 mi14:13:533:17:528:158:18
8:18
-0:11
40K
24.85 mi14:21:093:25:088:157:16
8:30
+0:12
25.2M
25.20 mi14:24:153:28:148:163:06
8:59
+0:29
Finish
26.22 mi14:32:323:36:318:168:17
8:08
-0:51

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

8:04 /mi

Average Pace

8:16 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:24:29

94% of race

Time at Steady Pace

12:02

6% of race

Time at Slower Pace

0:00

0% 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 mi11:21:1625:158:0825:15
8:08
#17555
10K
6.21 mi11:46:2950:288:0725:13
8:07
#17420
15K
9.32 mi12:11:451:15:448:0825:16
8:08
#17267
20K
12.43 mi12:37:051:41:048:0825:20
8:09
#16924
Half
13.11 mi12:42:351:46:348:085:30
8:04
#16886
25K
15.53 mi13:02:302:06:298:0919:55
8:13
#16587
30K
18.64 mi13:28:272:32:268:1125:57
8:21
#16068
20M
20.00 mi13:39:562:43:558:1211:29
8:27
#15836
21M
21.00 mi13:48:522:52:518:148:56
8:56
#15623
35K
21.75 mi13:54:582:58:578:146:06
8:09
#15531
23M
23.00 mi14:05:353:09:348:1510:37
8:29
#15329
24M
24.00 mi14:13:533:17:528:158:18
8:18
#15221
40K
24.85 mi14:21:093:25:088:157:16
8:30
#15137
25.2M
25.20 mi14:24:153:28:148:163:06
8:59
#15052
Finish
26.22 mi14:32:323:36:318:168:17
8:08
#14972
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi175556062606216971(Top 60%)5715(Top 47%)5715(Top 575%)
10K6.21 mi3.10 mi17420+1355985+775985+7717325(Top 61%)5892(Top 48%)5892(Top 593%)
15K9.32 mi3.11 mi17267+1535873+1125873+11216971(Top 60%)5715(Top 47%)5715(Top 575%)
20K12.43 mi3.11 mi16924+3435696+1775696+17716018(Top 56%)5220(Top 43%)5220(Top 525%)
Half13.11 mi0.68 mi16886+385672+245672+2416392(Top 58%)5397(Top 44%)5397(Top 543%)
25K15.53 mi2.42 mi16587+2995516+1565516+15615405(Top 54%)4958(Top 41%)4958(Top 499%)
30K18.64 mi3.11 mi16068+5195261+2555261+25513861(Top 49%)4294(Top 35%)4294(Top 432%)
20M20.00 mi1.36 mi15836+2325173+885173+8813499(Top 48%)4250(Top 35%)4250(Top 428%)
21M21.00 mi1.00 mi15623+2135087+865087+8613156(Top 46%)4201(Top 34%)4201(Top 423%)
35K21.75 mi0.75 mi15531+925051+365051+3613358(Top 47%)4357(Top 36%)4357(Top 438%)
23M23.00 mi1.25 mi15329+2024970+814970+8113203(Top 46%)4380(Top 36%)4380(Top 441%)
24M24.00 mi1.00 mi15221+1084933+374933+3713287(Top 47%)4462(Top 36%)4462(Top 449%)
40K24.85 mi0.85 mi15137+844921+124921+1213456(Top 47%)4683(Top 38%)4683(Top 471%)
25.2M25.20 mi0.35 mi15052+854883+384883+3811835(Top 42%)3911(Top 32%)3911(Top 393%)
Finish26.22 mi1.02 mi14972+804855+284855+2813817(Top 49%)4863(Top 40%)4863(Top 489%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21stories
+97ft-345ft

Overall

16971

Females

5715

F55-59

5715

5K→10K

3.1 - 6.2 mi

Top 61%
×5stories
+79ft-138ft

Overall

17325

Females

5892

F55-59

5892

10K→15K

6.2 - 9.3 mi

Top 60%
×3stories
+67ft-78ft

Overall

16971

Females

5715

F55-59

5715

15K→20K

9.3 - 12.4 mi

Top 56%
×5stories
+106ft-86ft

Overall

16018

Females

5220

F55-59

5220

20K→Half

12.4 - 13.1 mi

Top 58%
×2stories
+19ft-37ft

Overall

16392

Females

5397

F55-59

5397

Half→25K

13.1 - 15.5 mi

Top 54%
×4stories
+66ft-88ft

Overall

15405

Females

4958

F55-59

4958

25K→30K

15.5 - 18.6 mi

Top 49%
×9stories
+181ft-148ft

Overall

13861

Females

4294

F55-59

4294

30K→20M

18.6 - 20.0 mi

Top 48%
×5stories
+64ft-50ft

Overall

13499

Females

4250

F55-59

4250

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

13156

Females

4201

F55-59

4201

21M→35K

21.0 - 21.8 mi

Top 47%
×7stories
+17ft-86ft

Overall

13358

Females

4357

F55-59

4357

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

13203

Females

4380

F55-59

4380

23M→24M

23.0 - 24.0 mi

Top 47%
×6stories
+12ft-82ft

Overall

13287

Females

4462

F55-59

4462

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

13456

Females

4683

F55-59

4683

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11835

Females

3911

F55-59

3911

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2stories
+22ft-21ft

Overall

13817

Females

4863

F55-59

4863

Passing Analysis

Category:
Athletes Passed
3201
Passed By
618
Net Change
+2583
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17555
5K → 10K357222+135#17555#17420
10K → 15K282129+153#17420#17267
15K → 20K38340+343#17267#16924
20K → Half5517+38#16924#16886
Half → 25K32324+299#16886#16587
25K → 30K54425+519#16587#16068
30K → 20M25220+232#16068#15836
20M → 21M23724+213#15836#15623
21M → 35K10715+92#15623#15531
35K → 23M21917+202#15531#15329
23M → 24M12921+108#15329#15221
24M → 40K11329+84#15221#15137
40K → 25.2M894+85#15137#15052
25.2M → Finish11131+80#15052#14972
TOTALS3201618+2583
📊

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