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BOSTON MARATHON 2025

Isabella Pearson

Bib: 26935•F

MA

0:00
0:00
/ mi
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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
34:37
Rank: #27705
Start → 5K
34:37 | 11:09/mi
10K· 6.21 mi
1:06:21
Rank: #26810 (+895)
5K → 10K
31:44 | 10:13/mi
15K· 9.32 mi
1:42:46
Rank: #27107 (-297)
10K → 15K
36:25 | 11:43/mi
20K· 12.43 mi
2:13:22
Rank: #26372 (+735)
15K → 20K
30:36 | 9:51/mi
Half· 13.11 mi
2:19:54
Rank: #26268 (+104)
20K → Half
6:32 | 9:35/mi
25K· 15.53 mi
2:45:23
Rank: #25952 (+316)
Half → 25K
25:29 | 10:31/mi
30K· 18.64 mi
3:19:13
Rank: #25573 (+379)
25K → 30K
33:50 | 10:53/mi
20M
3:34:32
Rank: #25466 (+107)
30K → 20M
15:19 | 11:16/mi
21M
3:45:22
Rank: #25271 (+195)
20M → 21M
10:50 | 10:50/mi
35K· 21.75 mi
3:52:44
Rank: #25188 (+83)
21M → 35K
7:22 | 9:51/mi
23M
4:06:03
Rank: #25075 (+113)
35K → 23M
13:19 | 10:38/mi
24M
4:18:31
Rank: #25120 (-45)
23M → 24M
12:28 | 12:28/mi
40K· 24.85 mi
4:27:19
Rank: #25023 (+97)
24M → 40K
8:48 | 10:18/mi
25.2M
4:31:16
Rank: #25002 (+21)
40K → 25.2M
3:57 | 11:27/mi
Finish· 26.22 mi
4:40:27
Rank: #24878 (+124)
25.2M → Finish
9:11 | 9:01/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time2:19:54
Pace10:40 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:20:33
Pace10:43 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:4834:3711:0934:37
11:09
-
10K
6.21 mi12:22:321:06:2110:4131:44
10:13
-0:56
15K
9.32 mi12:58:571:42:4611:0236:25
11:43
+1:30
20K
12.43 mi13:29:332:13:2210:4430:36
9:51
-1:52
Half
13.11 mi13:36:052:19:5410:406:32
9:35
-0:16
25K
15.53 mi14:01:342:45:2310:3925:29
10:31
+0:56
30K
18.64 mi14:35:243:19:1310:4133:50
10:53
+0:22
20M
20.00 mi14:50:433:34:3210:4415:19
11:16
+0:23
21M
21.00 mi15:01:333:45:2210:4410:50
10:50
-0:26
35K
21.75 mi15:08:553:52:4410:427:22
9:51
-0:59
23M
23.00 mi15:22:144:06:0310:4213:19
10:38
+0:47
24M
24.00 mi15:34:424:18:3110:4612:28
12:28
+1:50
40K
24.85 mi15:43:304:27:1910:458:48
10:18
-2:10
25.2M
25.20 mi15:47:274:31:1610:463:57
11:27
+1:09
Finish
26.22 mi15:56:384:40:2710:429:11
9:01
-2:26

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

9:01 /mi

Average Pace

10:42 /mi

Slowest Pace

12:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

53:41

19% of race

Time at Steady Pace

2:04:00

44% of race

Time at Slower Pace

1:42:46

37% of race

Average Pace: 10:42 /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 mi11:50:4834:3711:0934:37
11:09
#27705
10K
6.21 mi12:22:321:06:2110:4131:44
10:13
#26810
15K
9.32 mi12:58:571:42:4611:0236:25
11:43
#27107
20K
12.43 mi13:29:332:13:2210:4430:36
9:51
#26372
Half
13.11 mi13:36:052:19:5410:406:32
9:35
#26268
25K
15.53 mi14:01:342:45:2310:3925:29
10:31
#25952
30K
18.64 mi14:35:243:19:1310:4133:50
10:53
#25573
20M
20.00 mi14:50:433:34:3210:4415:19
11:16
#25466
21M
21.00 mi15:01:333:45:2210:4410:50
10:50
#25271
35K
21.75 mi15:08:553:52:4410:427:22
9:51
#25188
23M
23.00 mi15:22:144:06:0310:4213:19
10:38
#25075
24M
24.00 mi15:34:424:18:3110:4612:28
12:28
#25120
40K
24.85 mi15:43:304:27:1910:458:48
10:18
#25023
25.2M
25.20 mi15:47:274:31:1610:463:57
11:27
#25002
Finish
26.22 mi15:56:384:40:2710:429:11
9:01
#24878
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27705117691176927422(Top 97%)11637(Top 95%)11637(Top 213%)
10K6.21 mi3.10 mi26810+89511226+54311226+54325763(Top 91%)10664(Top 87%)10664(Top 195%)
15K9.32 mi3.11 mi27107-29711418-19211418-19227422(Top 97%)11637(Top 95%)11637(Top 213%)
20K12.43 mi3.11 mi26372+73510990+42810990+42823874(Top 84%)9639(Top 79%)9639(Top 176%)
Half13.11 mi0.68 mi26268+10410927+6310927+6323756(Top 84%)9579(Top 78%)9579(Top 175%)
25K15.53 mi2.42 mi25952+31610766+16110766+16124390(Top 86%)9956(Top 81%)9956(Top 182%)
30K18.64 mi3.11 mi25573+37910606+16010606+16023791(Top 84%)9757(Top 80%)9757(Top 178%)
20M20.00 mi1.36 mi25466+10710553+5310553+5324126(Top 85%)10021(Top 82%)10021(Top 183%)
21M21.00 mi1.00 mi25271+19510461+9210461+9220916(Top 74%)8413(Top 69%)8413(Top 154%)
35K21.75 mi0.75 mi25188+8310422+3910422+3921433(Top 75%)8748(Top 72%)8748(Top 160%)
23M23.00 mi1.25 mi25075+11310374+4810374+4822353(Top 79%)9260(Top 76%)9260(Top 169%)
24M24.00 mi1.00 mi25120-4510405-3110405-3126259(Top 92%)11246(Top 92%)11246(Top 206%)
40K24.85 mi0.85 mi25023+9710366+3910366+3921326(Top 75%)8840(Top 72%)8840(Top 162%)
25.2M25.20 mi0.35 mi25002+2110357+910357+921862(Top 77%)9099(Top 74%)9099(Top 166%)
Finish26.22 mi1.02 mi24878+12410298+5910298+5919084(Top 67%)7663(Top 63%)7663(Top 140%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21stories
+97ft-345ft

Overall

27422

Females

11637

F18-39

11637

5K→10K

3.1 - 6.2 mi

Top 91%
×5stories
+79ft-138ft

Overall

25763

Females

10664

F18-39

10664

10K→15K

6.2 - 9.3 mi

Top 97%
×3stories
+67ft-78ft

Overall

27422

Females

11637

F18-39

11637

15K→20K

9.3 - 12.4 mi

Top 84%
×5stories
+106ft-86ft

Overall

23874

Females

9639

F18-39

9639

20K→Half

12.4 - 13.1 mi

Top 84%
×2stories
+19ft-37ft

Overall

23756

Females

9579

F18-39

9579

Half→25K

13.1 - 15.5 mi

Top 86%
×4stories
+66ft-88ft

Overall

24390

Females

9956

F18-39

9956

25K→30K

15.5 - 18.6 mi

Top 84%
×9stories
+181ft-148ft

Overall

23791

Females

9757

F18-39

9757

30K→20M

18.6 - 20.0 mi

Top 85%
×5stories
+64ft-50ft

Overall

24126

Females

10021

F18-39

10021

20M→21M

20.0 - 21.0 mi

Top 74%
×8stories
+106ft-24ft

Overall

20916

Females

8413

F18-39

8413

21M→35K

21.0 - 21.8 mi

Top 75%
×7stories
+17ft-86ft

Overall

21433

Females

8748

F18-39

8748

35K→23M

21.8 - 23.0 mi

Top 79%
×5stories
+23ft-63ft

Overall

22353

Females

9260

F18-39

9260

23M→24M

23.0 - 24.0 mi

Top 92%
×6stories
+12ft-82ft

Overall

26259

Females

11246

F18-39

11246

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21326

Females

8840

F18-39

8840

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

21862

Females

9099

F18-39

9099

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

19084

Females

7663

F18-39

7663

Passing Analysis

Category:
Athletes Passed
3262
Passed By
435
Net Change
+2827
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27705
5K → 10K8950+895#27705#26810
10K → 15K37334-297#26810#27107
15K → 20K7350+735#27107#26372
20K → Half1051+104#26372#26268
Half → 25K3171+316#26268#25952
25K → 30K3856+379#25952#25573
30K → 20M1169+107#25573#25466
20M → 21M1961+195#25466#25271
21M → 35K830+83#25271#25188
35K → 23M1174+113#25188#25075
23M → 24M2570-45#25075#25120
24M → 40K1025+97#25120#25023
40K → 25.2M254+21#25023#25002
25.2M → Finish1240+124#25002#24878
TOTALS3262435+2827
📊

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