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BOSTON MARATHON 2025

Cassandra Steptoe

Bib: 17262•F

CT

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 23%
Gender (Female)
#0 / 12228
Top 7%
Division (F18-39)
#0 / 5469
Top 13%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:28
Rank: #9749
Start → 5K
22:28 | 7:14/mi
10K· 6.21 mi
44:51
Rank: #9609 (+140)
5K → 10K
22:23 | 7:12/mi
15K· 9.32 mi
1:07:20
Rank: #9532 (+77)
10K → 15K
22:29 | 7:14/mi
20K· 12.43 mi
1:29:38
Rank: #9110 (+422)
15K → 20K
22:18 | 7:11/mi
Half· 13.11 mi
1:34:33
Rank: #9105 (+5)
20K → Half
4:55 | 7:12/mi
25K· 15.53 mi
1:51:53
Rank: #8701 (+404)
Half → 25K
17:20 | 7:09/mi
30K· 18.64 mi
2:14:20
Rank: #8075 (+626)
25K → 30K
22:27 | 7:14/mi
20M
2:24:11
Rank: #7818 (+257)
30K → 20M
9:51 | 7:15/mi
21M
2:31:31
Rank: #7492 (+326)
20M → 21M
7:20 | 7:20/mi
35K· 21.75 mi
2:36:45
Rank: #7365 (+127)
21M → 35K
5:14 | 7:00/mi
23M
2:45:37
Rank: #7106 (+259)
35K → 23M
8:52 | 7:05/mi
24M
2:52:37
Rank: #6953 (+153)
23M → 24M
7:00 | 7:00/mi
40K· 24.85 mi
2:58:35
Rank: #6772 (+181)
24M → 40K
5:58 | 6:59/mi
25.2M
3:01:12
Rank: #6682 (+90)
40K → 25.2M
2:37 | 7:35/mi
Finish· 26.22 mi
3:07:54
Rank: #6463 (+219)
25.2M → Finish
6:42 | 6:34/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:34:33
Pace7:13 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:33:21
Pace7:07 /mi
📊Negative Split: 1.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:4022:287:1422:28
7:14
-
10K
6.21 mi11:35:0344:517:1322:23
7:12
-0:02
15K
9.32 mi11:57:321:07:207:1322:29
7:14
+0:02
20K
12.43 mi12:19:501:29:387:1322:18
7:11
-0:03
Half
13.11 mi12:24:451:34:337:134:55
7:12
+0:01
25K
15.53 mi12:42:051:51:537:1217:20
7:09
-0:03
30K
18.64 mi13:04:322:14:207:1222:27
7:14
+0:05
20M
20.00 mi13:14:232:24:117:139:51
7:15
+0:01
21M
21.00 mi13:21:432:31:317:137:20
7:20
+0:05
35K
21.75 mi13:26:572:36:457:125:14
7:00
-0:20
23M
23.00 mi13:35:492:45:377:128:52
7:05
+0:05
24M
24.00 mi13:42:492:52:377:127:00
7:00
-0:05
40K
24.85 mi13:48:472:58:357:115:58
6:59
-0:01
25.2M
25.20 mi13:51:243:01:127:112:37
7:35
+0:36
Finish
26.22 mi13:58:063:07:547:106:42
6:34
-1:01

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

6:34 /mi

Average Pace

7:10 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:42

54% of race

Time at Steady Pace

1:27:12

46% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:10 /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 mi11:12:4022:287:1422:28
7:14
#9749
10K
6.21 mi11:35:0344:517:1322:23
7:12
#9609
15K
9.32 mi11:57:321:07:207:1322:29
7:14
#9532
20K
12.43 mi12:19:501:29:387:1322:18
7:11
#9110
Half
13.11 mi12:24:451:34:337:134:55
7:12
#9105
25K
15.53 mi12:42:051:51:537:1217:20
7:09
#8701
30K
18.64 mi13:04:322:14:207:1222:27
7:14
#8075
20M
20.00 mi13:14:232:24:117:139:51
7:15
#7818
21M
21.00 mi13:21:432:31:317:137:20
7:20
#7492
35K
21.75 mi13:26:572:36:457:125:14
7:00
#7365
23M
23.00 mi13:35:492:45:377:128:52
7:05
#7106
24M
24.00 mi13:42:492:52:377:127:00
7:00
#6953
40K
24.85 mi13:48:472:58:357:115:58
6:59
#6772
25.2M
25.20 mi13:51:243:01:127:112:37
7:35
#6682
Finish
26.22 mi13:58:063:07:547:106:42
6:34
#6463
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9749168816889437(Top 33%)1617(Top 13%)1617(Top 30%)
10K6.21 mi3.10 mi9609+1401615+731615+739528(Top 34%)1604(Top 13%)1604(Top 29%)
15K9.32 mi3.11 mi9532+77161516159437(Top 33%)1617(Top 13%)1617(Top 30%)
20K12.43 mi3.11 mi9110+4221461+1541461+1548029(Top 28%)1111(Top 9%)1111(Top 20%)
Half13.11 mi0.68 mi9105+51460+11460+19158(Top 32%)1543(Top 13%)1543(Top 28%)
25K15.53 mi2.42 mi8701+4041319+1411319+1417276(Top 26%)951(Top 8%)951(Top 17%)
30K18.64 mi3.11 mi8075+6261144+1751144+1756051(Top 21%)692(Top 6%)692(Top 13%)
20M20.00 mi1.36 mi7818+2571071+731071+735515(Top 19%)651(Top 5%)651(Top 12%)
21M21.00 mi1.00 mi7492+326990+81990+813815(Top 13%)335(Top 3%)335(Top 6%)
35K21.75 mi0.75 mi7365+127972+18972+185366(Top 19%)720(Top 6%)720(Top 13%)
23M23.00 mi1.25 mi7106+259921+51921+514261(Top 15%)470(Top 4%)470(Top 9%)
24M24.00 mi1.00 mi6953+153904+17904+174666(Top 16%)627(Top 5%)627(Top 11%)
40K24.85 mi0.85 mi6772+181871+33871+333817(Top 13%)462(Top 4%)462(Top 8%)
25.2M25.20 mi0.35 mi6682+90860+11860+113903(Top 14%)537(Top 4%)537(Top 10%)
Finish26.22 mi1.02 mi6463+219814+46814+463240(Top 11%)373(Top 3%)373(Top 7%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21stories
+97ft-345ft

Overall

9437

Females

1617

F18-39

1617

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

9528

Females

1604

F18-39

1604

10K→15K

6.2 - 9.3 mi

Top 33%
×3stories
+67ft-78ft

Overall

9437

Females

1617

F18-39

1617

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

8029

Females

1111

F18-39

1111

20K→Half

12.4 - 13.1 mi

Top 32%
×2stories
+19ft-37ft

Overall

9158

Females

1543

F18-39

1543

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

7276

Females

951

F18-39

951

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

6051

Females

692

F18-39

692

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

5515

Females

651

F18-39

651

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3815

Females

335

F18-39

335

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5366

Females

720

F18-39

720

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

4261

Females

470

F18-39

470

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4666

Females

627

F18-39

627

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3817

Females

462

F18-39

462

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3903

Females

537

F18-39

537

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

3240

Females

373

F18-39

373

Passing Analysis

Category:
Athletes Passed
3663
Passed By
376
Net Change
+3286
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9749
5K → 10K304163+140#9749#9609
10K → 15K204127+77#9609#9532
15K → 20K43816+422#9532#9110
20K → Half3429+5#9110#9105
Half → 25K41410+404#9105#8701
25K → 30K6282+626#8701#8075
30K → 20M2625+257#8075#7818
20M → 21M3260+326#7818#7492
21M → 35K1347+127#7492#7365
35K → 23M2612+259#7365#7106
23M → 24M1596+153#7106#6953
24M → 40K1843+181#6953#6772
40K → 25.2M955+90#6772#6682
25.2M → Finish2201+219#6682#6463
TOTALS3663376+3286
📊

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