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BOSTON MARATHON 2025

Rosanna Kelly

Bib: 10597•F

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 40%
Gender (Female)
#0 / 12228
Top 24%
Division (F18-39)
#0 / 5469
Top 41%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:26/mi
23:07
↑ 97↓ 3451.5%
10K· 6.21 mi
7:30/mi
46:25
↑ 79↓ 1380.4%
15K· 9.32 mi
7:34/mi
1:09:54
↑ 67↓ 78
20K· 12.43 mi
7:35/mi
1:33:28
↑ 106↓ 860.1%
Half· 13.11 mi
7:27/mi
1:38:33
↑ 19↓ 370.5%
25K· 15.53 mi
7:34/mi
1:56:54
↑ 66↓ 880.2%
30K· 18.64 mi
8:11/mi
2:22:20
↑ 181↓ 1480.2%
20M
8:33/mi
2:33:57
↑ 64↓ 500.2%
21M
8:33/mi
2:42:29
↑ 106↓ 241.6%
35K· 21.75 mi
8:33/mi
2:48:53
↑ 17↓ 861.7%
23M
8:10/mi
2:59:07
↑ 23↓ 630.6%
24M
7:40/mi
3:06:47
↓ 821.3%
40K· 24.85 mi
8:05/mi
3:13:42
↓ 200.3%
25.2M
8:59/mi
3:16:48
↑ 13↓ 160.2%
Finish· 26.22 mi
7:14/mi
3:24:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:33
Pace7:31 /mi
2nd Half
Distance13.11 mi
Time1:45:37
Pace8:03 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:0823:077:2623:07
7:26
-
10K
6.21 mi11:13:2646:257:2823:18
7:30
+0:04
15K
9.32 mi11:36:551:09:547:3023:29
7:34
+0:04
20K
12.43 mi12:00:291:33:287:3123:34
7:35
+0:01
Half
13.11 mi12:05:341:38:337:315:05
7:27
-0:08
25K
15.53 mi12:23:551:56:547:3218:21
7:34
+0:07
30K
18.64 mi12:49:212:22:207:3825:26
8:11
+0:37
20M
20.00 mi13:00:582:33:577:4211:37
8:33
+0:22
21M
21.00 mi13:09:302:42:297:448:33
8:33
0:00
35K
21.75 mi13:15:542:48:537:466:24
8:33
0:00
23M
23.00 mi13:26:082:59:077:4710:14
8:10
-0:23
24M
24.00 mi13:33:483:06:477:477:40
7:40
-0:30
40K
24.85 mi13:40:433:13:427:486:55
8:05
+0:25
25.2M
25.20 mi13:43:493:16:487:493:06
8:59
+0:54
Finish
26.22 mi13:51:113:24:107:487:22
7:14
-1:45

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

7:14 /mi

Average Pace

7:48 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

7:22

4% of race

Time at Steady Pace

2:04:34

61% of race

Time at Slower Pace

1:12:14

35% of race

Average Pace: 7:47 /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 mi10:50:0823:077:2623:07
7:26
#11721
10K
6.21 mi11:13:2646:257:2823:18
7:30
#11871
15K
9.32 mi11:36:551:09:547:3023:29
7:34
#11990
20K
12.43 mi12:00:291:33:287:3123:34
7:35
#11819
Half
13.11 mi12:05:341:38:337:315:05
7:27
#11788
25K
15.53 mi12:23:551:56:547:3218:21
7:34
#11545
30K
18.64 mi12:49:212:22:207:3825:26
8:11
#11701
20M
20.00 mi13:00:582:33:577:4211:37
8:33
#11885
21M
21.00 mi13:09:302:42:297:448:33
8:33
#11794
35K
21.75 mi13:15:542:48:537:466:24
8:33
#11932
23M
23.00 mi13:26:082:59:077:4710:14
8:10
#11876
24M
24.00 mi13:33:483:06:477:477:40
7:40
#11703
40K
24.85 mi13:40:433:13:427:486:55
8:05
#11631
25.2M
25.20 mi13:43:493:16:487:493:06
8:59
#11627
Finish
26.22 mi13:51:113:24:107:487:22
7:14
#11399
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi117212642264212260(Top 43%)3047(Top 25%)3047(Top 56%)
10K6.21 mi3.10 mi11871-1502739-972739-9712101(Top 43%)2872(Top 23%)2872(Top 53%)
15K9.32 mi3.11 mi11990-1192830-912830-9112260(Top 43%)3047(Top 25%)3047(Top 56%)
20K12.43 mi3.11 mi11819+1712773+572773+5711485(Top 40%)2734(Top 22%)2734(Top 50%)
Half13.11 mi0.68 mi11788+312764+92764+911394(Top 40%)2639(Top 22%)2639(Top 48%)
25K15.53 mi2.42 mi11545+2432677+872677+8710523(Top 37%)2340(Top 19%)2340(Top 43%)
30K18.64 mi3.11 mi11701-1562842-1652842-16512726(Top 45%)3674(Top 30%)3674(Top 67%)
20M20.00 mi1.36 mi11885-1842970-1282970-12814049(Top 49%)4552(Top 37%)4552(Top 83%)
21M21.00 mi1.00 mi11794+912965+52965+510741(Top 38%)2989(Top 24%)2989(Top 55%)
35K21.75 mi0.75 mi11932-1383056-913056-9115738(Top 55%)5656(Top 46%)5656(Top 103%)
23M23.00 mi1.25 mi11876+563074-183074-1811212(Top 39%)3329(Top 27%)3329(Top 61%)
24M24.00 mi1.00 mi11703+1733024+503024+508943(Top 31%)2306(Top 19%)2306(Top 42%)
40K24.85 mi0.85 mi11631+723014+103014+1010803(Top 38%)3312(Top 27%)3312(Top 61%)
25.2M25.20 mi0.35 mi11627+43023-93023-911782(Top 41%)3858(Top 32%)3858(Top 71%)
Finish26.22 mi1.02 mi11399+2282953+702953+707274(Top 26%)1773(Top 14%)1773(Top 32%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

12260

Females

3047

F18-39

3047

5K→10K

3.1 - 6.2 mi

Top 43%
×5story building
+79ft-138ft

Overall

12101

Females

2872

F18-39

2872

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

12260

Females

3047

F18-39

3047

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

11485

Females

2734

F18-39

2734

20K→Half

12.4 - 13.1 mi

Top 40%
×2story building
+19ft-37ft

Overall

11394

Females

2639

F18-39

2639

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

10523

Females

2340

F18-39

2340

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

12726

Females

3674

F18-39

3674

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

14049

Females

4552

F18-39

4552

20M→21M

20.0 - 21.0 mi

Top 38%
×8story building
+106ft-24ft

Overall

10741

Females

2989

F18-39

2989

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

15738

Females

5656

F18-39

5656

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

11212

Females

3329

F18-39

3329

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

8943

Females

2306

F18-39

2306

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10803

Females

3312

F18-39

3312

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11782

Females

3858

F18-39

3858

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2story building
+22ft-21ft

Overall

7274

Females

1773

F18-39

1773

Passing Analysis

Category:
Athletes Passed
2066
Passed By
1744
Net Change
+322
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11721
5K → 10K189339-150#11721#11871
10K → 15K136255-119#11871#11990
15K → 20K277106+171#11990#11819
20K → Half4918+31#11819#11788
Half → 25K29350+243#11788#11545
25K → 30K182338-156#11545#11701
30K → 20M75259-184#11701#11885
20M → 21M14352+91#11885#11794
21M → 35K25163-138#11794#11932
35K → 23M13175+56#11932#11876
23M → 24M18411+173#11876#11703
24M → 40K10836+72#11703#11631
40K → 25.2M3430+4#11631#11627
25.2M → Finish24012+228#11627#11399
TOTALS20661744+322
📊

Passing Visuals

Category:
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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