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BOSTON MARATHON 2025

Jzsanette Cullen

Bib: 13196•F

AZ

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 22%
Gender (Female)
#0 / 12228
Top 6%
Division (F18-39)
#0 / 5469
Top 12%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:47
Rank: #13566
Start → 5K
23:47 | 7:39/mi
10K· 6.21 mi
46:39
Rank: #12197 (+1369)
5K → 10K
22:52 | 7:22/mi
15K· 9.32 mi
1:08:58
Rank: #11056 (+1141)
10K → 15K
22:19 | 7:11/mi
20K· 12.43 mi
1:30:58
Rank: #10041 (+1015)
15K → 20K
22:00 | 7:05/mi
Half· 13.11 mi
1:35:44
Rank: #9905 (+136)
20K → Half
4:46 | 6:59/mi
25K· 15.53 mi
1:52:42
Rank: #9180 (+725)
Half → 25K
16:58 | 7:00/mi
30K· 18.64 mi
2:15:03
Rank: #8392 (+788)
25K → 30K
22:21 | 7:12/mi
20M
2:24:37
Rank: #7990 (+402)
30K → 20M
9:34 | 7:02/mi
21M
2:31:57
Rank: #7644 (+346)
20M → 21M
7:20 | 7:20/mi
35K· 21.75 mi
2:37:06
Rank: #7478 (+166)
21M → 35K
5:09 | 6:53/mi
23M
2:45:49
Rank: #7163 (+315)
35K → 23M
8:43 | 6:58/mi
24M
2:52:37
Rank: #6952 (+211)
23M → 24M
6:48 | 6:48/mi
40K· 24.85 mi
2:58:25
Rank: #6705 (+247)
24M → 40K
5:48 | 6:47/mi
25.2M
3:00:55
Rank: #6594 (+111)
40K → 25.2M
2:30 | 7:15/mi
Finish· 26.22 mi
3:07:38
Rank: #6382 (+212)
25.2M → Finish
6:43 | 6:35/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:35:44
Pace7:18 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:31:54
Pace7:01 /mi
📊Negative Split: 4.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:4523:477:3923:47
7:39
-
10K
6.21 mi11:16:3746:397:3022:52
7:22
-0:17
15K
9.32 mi11:38:561:08:587:2422:19
7:11
-0:11
20K
12.43 mi12:00:561:30:587:1922:00
7:05
-0:06
Half
13.11 mi12:05:421:35:447:184:46
6:59
-0:06
25K
15.53 mi12:22:401:52:427:1516:58
7:00
+0:01
30K
18.64 mi12:45:012:15:037:1522:21
7:12
+0:12
20M
20.00 mi12:54:352:24:377:149:34
7:02
-0:10
21M
21.00 mi13:01:552:31:577:147:20
7:20
+0:18
35K
21.75 mi13:07:042:37:067:135:09
6:53
-0:27
23M
23.00 mi13:15:472:45:497:138:43
6:58
+0:05
24M
24.00 mi13:22:352:52:377:126:48
6:48
-0:10
40K
24.85 mi13:28:232:58:257:115:48
6:47
-0:01
25.2M
25.20 mi13:30:533:00:557:112:30
7:15
+0:28
Finish
26.22 mi13:37:363:07:387:106:43
6:35
-0:40

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

6:35 /mi

Average Pace

7:10 /mi

Slowest Pace

7:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:09

70% of race

Time at Steady Pace

56:29

30% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:09 /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 mi10:53:4523:477:3923:47
7:39
#13566
10K
6.21 mi11:16:3746:397:3022:52
7:22
#12197
15K
9.32 mi11:38:561:08:587:2422:19
7:11
#11056
20K
12.43 mi12:00:561:30:587:1922:00
7:05
#10041
Half
13.11 mi12:05:421:35:447:184:46
6:59
#9905
25K
15.53 mi12:22:401:52:427:1516:58
7:00
#9180
30K
18.64 mi12:45:012:15:037:1522:21
7:12
#8392
20M
20.00 mi12:54:352:24:377:149:34
7:02
#7990
21M
21.00 mi13:01:552:31:577:147:20
7:20
#7644
35K
21.75 mi13:07:042:37:067:135:09
6:53
#7478
23M
23.00 mi13:15:472:45:497:138:43
6:58
#7163
24M
24.00 mi13:22:352:52:377:126:48
6:48
#6952
40K
24.85 mi13:28:232:58:257:115:48
6:47
#6705
25.2M
25.20 mi13:30:533:00:557:112:30
7:15
#6594
Finish
26.22 mi13:37:363:07:387:106:43
6:35
#6382
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi13566363036308977(Top 32%)1416(Top 12%)1416(Top 26%)
10K6.21 mi3.10 mi12197+13692907+7232907+72310832(Top 38%)2212(Top 18%)2212(Top 40%)
15K9.32 mi3.11 mi11056+11412349+5582349+5588977(Top 32%)1416(Top 12%)1416(Top 26%)
20K12.43 mi3.11 mi10041+10151886+4631886+4637420(Top 26%)900(Top 7%)900(Top 16%)
Half13.11 mi0.68 mi9905+1361821+651821+657541(Top 27%)910(Top 7%)910(Top 17%)
25K15.53 mi2.42 mi9180+7251534+2871534+2876340(Top 22%)678(Top 6%)678(Top 12%)
30K18.64 mi3.11 mi8392+7881254+2801254+2805881(Top 21%)642(Top 5%)642(Top 12%)
20M20.00 mi1.36 mi7990+4021144+1101144+1104373(Top 15%)381(Top 3%)381(Top 7%)
21M21.00 mi1.00 mi7644+3461045+991045+993814(Top 13%)334(Top 3%)334(Top 6%)
35K21.75 mi0.75 mi7478+1661013+321013+324689(Top 17%)532(Top 4%)532(Top 10%)
23M23.00 mi1.25 mi7163+315944+69944+693567(Top 13%)332(Top 3%)332(Top 6%)
24M24.00 mi1.00 mi6952+211903+41903+413559(Top 13%)368(Top 3%)368(Top 7%)
40K24.85 mi0.85 mi6705+247849+54849+542806(Top 10%)262(Top 2%)262(Top 5%)
25.2M25.20 mi0.35 mi6594+111832+17832+172410(Top 8%)253(Top 2%)253(Top 5%)
Finish26.22 mi1.02 mi6382+212785+47785+473331(Top 12%)398(Top 3%)398(Top 7%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21stories
+97ft-345ft

Overall

8977

Females

1416

F18-39

1416

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10832

Females

2212

F18-39

2212

10K→15K

6.2 - 9.3 mi

Top 32%
×3stories
+67ft-78ft

Overall

8977

Females

1416

F18-39

1416

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

7420

Females

900

F18-39

900

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7541

Females

910

F18-39

910

Half→25K

13.1 - 15.5 mi

Top 22%
×4stories
+66ft-88ft

Overall

6340

Females

678

F18-39

678

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

5881

Females

642

F18-39

642

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4373

Females

381

F18-39

381

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3814

Females

334

F18-39

334

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4689

Females

532

F18-39

532

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3567

Females

332

F18-39

332

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3559

Females

368

F18-39

368

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2806

Females

262

F18-39

262

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2410

Females

253

F18-39

253

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3331

Females

398

F18-39

398

Passing Analysis

Category:
Athletes Passed
7217*
Passed By
33
Net Change
+7184
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13566
5K → 10K138516+1369#13566#12197
10K → 15K11410+1141#12197#11056
15K → 20K10161+1015#11056#10041
20K → Half137*1+136#10041#9905
Half → 25K7250+725#9905#9180
25K → 30K7935+788#9180#8392
30K → 20M4020+402#8392#7990
20M → 21M3460+346#7990#7644
21M → 35K1671+166#7644#7478
35K → 23M3150+315#7478#7163
23M → 24M2110+211#7163#6952
24M → 40K2481+247#6952#6705
40K → 25.2M1132+111#6705#6594
25.2M → Finish2186+212#6594#6382
TOTALS7217*33+7184

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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