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BOSTON MARATHON 2025

Martina Corona

Bib: 30652•F

CO

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
35:07
Rank: #27850
Start → 5K
35:07 | 11:18/mi
10K· 6.21 mi
1:12:50
Rank: #27964 (-114)
5K → 10K
37:43 | 12:08/mi
15K· 9.32 mi
1:52:15
Rank: #28018 (-54)
10K → 15K
39:25 | 12:41/mi
20K· 12.43 mi
2:33:50
Rank: #28039 (-21)
15K → 20K
41:35 | 13:23/mi
Half· 13.11 mi
2:42:36
Rank: #28043 (-4)
20K → Half
8:46 | 12:51/mi
25K· 15.53 mi
3:17:11
Rank: #28072 (-29)
Half → 25K
34:35 | 14:16/mi
30K· 18.64 mi
4:03:33
Rank: #28097 (-25)
25K → 30K
46:22 | 14:55/mi
20M
4:24:32
Rank: #28119 (-22)
30K → 20M
20:59 | 15:26/mi
21M
4:41:37
Rank: #28148 (-29)
20M → 21M
17:05 | 17:05/mi
35K· 21.75 mi
4:51:50
Rank: #28138 (+10)
21M → 35K
10:13 | 13:39/mi
23M
5:10:20
Rank: #28140 (-2)
35K → 23M
18:30 | 14:47/mi
24M
5:24:31
Rank: #28136 (+4)
23M → 24M
14:11 | 14:11/mi
40K· 24.85 mi
5:37:20
Rank: #28133 (+3)
24M → 40K
12:49 | 14:59/mi
25.2M
5:42:50
Rank: #28136 (-3)
40K → 25.2M
5:30 | 15:57/mi
Finish· 26.22 mi
5:55:59
Rank: #28124 (+12)
25.2M → Finish
13:09 | 12:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:42:36
Pace12:24 /mi
2nd Half
Distance13.11 mi
Time3:13:23
Pace14:45 /mi
📊Positive Split: 18.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:3235:0711:1835:07
11:18
-
10K
6.21 mi12:34:151:12:5011:4337:43
12:08
+0:50
15K
9.32 mi13:13:401:52:1512:0339:25
12:41
+0:33
20K
12.43 mi13:55:152:33:5012:2341:35
13:23
+0:42
Half
13.11 mi14:04:012:42:3612:248:46
12:51
-0:32
25K
15.53 mi14:38:363:17:1112:4234:35
14:16
+1:25
30K
18.64 mi15:24:584:03:3313:0446:22
14:55
+0:39
20M
20.00 mi15:45:574:24:3213:1420:59
15:26
+0:31
21M
21.00 mi16:03:024:41:3713:2517:05
17:05
+1:39
35K
21.75 mi16:13:154:51:5013:2510:13
13:39
-3:26
23M
23.00 mi16:31:455:10:2013:3018:30
14:47
+1:08
24M
24.00 mi16:45:565:24:3113:3114:11
14:11
-0:36
40K
24.85 mi16:58:455:37:2013:3412:49
14:59
+0:48
25.2M
25.20 mi17:04:155:42:5013:365:30
15:57
+0:58
Finish
26.22 mi17:17:245:55:5913:3513:09
12:54
-3:03

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

11:18 /mi

Average Pace

13:35 /mi

Slowest Pace

17:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:55:45

49% of race

Time at Steady Pace

2:03:51

35% of race

Time at Slower Pace

56:23

16% of race

Average Pace: 13:35 /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 mi11:56:3235:0711:1835:07
11:18
#27850
10K
6.21 mi12:34:151:12:5011:4337:43
12:08
#27964
15K
9.32 mi13:13:401:52:1512:0339:25
12:41
#28018
20K
12.43 mi13:55:152:33:5012:2341:35
13:23
#28039
Half
13.11 mi14:04:012:42:3612:248:46
12:51
#28043
25K
15.53 mi14:38:363:17:1112:4234:35
14:16
#28072
30K
18.64 mi15:24:584:03:3313:0446:22
14:55
#28097
20M
20.00 mi15:45:574:24:3213:1420:59
15:26
#28119
21M
21.00 mi16:03:024:41:3713:2517:05
17:05
#28148
35K
21.75 mi16:13:154:51:5013:2510:13
13:39
#28138
23M
23.00 mi16:31:455:10:2013:3018:30
14:47
#28140
24M
24.00 mi16:45:565:24:3113:3114:11
14:11
#28136
40K
24.85 mi16:58:455:37:2013:3412:49
14:59
#28133
25.2M
25.20 mi17:04:155:42:5013:365:30
15:57
#28136
Finish
26.22 mi17:17:245:55:5913:3513:09
12:54
#28124
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27850118661186628038(Top 99%)11999(Top 98%)11999(Top 219%)
10K6.21 mi3.10 mi27964-11411940-7411940-7428014(Top 99%)11983(Top 98%)11983(Top 219%)
15K9.32 mi3.11 mi28018-5411977-3711977-3728038(Top 99%)11999(Top 98%)11999(Top 219%)
20K12.43 mi3.11 mi28039-2112000-2312000-2328018(Top 99%)12007(Top 98%)12007(Top 220%)
Half13.11 mi0.68 mi28043-412005-512005-527934(Top 98%)11966(Top 98%)11966(Top 219%)
25K15.53 mi2.42 mi28072-2912019-1412019-1428004(Top 99%)12015(Top 98%)12015(Top 220%)
30K18.64 mi3.11 mi28097-2512045-2612045-2627997(Top 99%)12053(Top 99%)12053(Top 220%)
20M20.00 mi1.36 mi28119-2212064-1912064-1928032(Top 99%)12072(Top 99%)12072(Top 221%)
21M21.00 mi1.00 mi28148-2912087-2312087-2328167(Top 99%)12132(Top 99%)12132(Top 222%)
35K21.75 mi0.75 mi28138+1012085+212085+227459(Top 97%)11832(Top 97%)11832(Top 216%)
23M23.00 mi1.25 mi28140-212089-412089-427809(Top 98%)12005(Top 98%)12005(Top 220%)
24M24.00 mi1.00 mi28136+412090-112090-127735(Top 98%)12001(Top 98%)12001(Top 219%)
40K24.85 mi0.85 mi28133+3120901209027758(Top 98%)11994(Top 98%)11994(Top 219%)
25.2M25.20 mi0.35 mi28136-312092-212092-227674(Top 97%)11973(Top 98%)11973(Top 219%)
Finish26.22 mi1.02 mi28124+1212087+512087+527565(Top 97%)11902(Top 97%)11902(Top 218%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21stories
+97ft-345ft

Overall

28038

Females

11999

F18-39

11999

5K→10K

3.1 - 6.2 mi

Top 99%
×5stories
+79ft-138ft

Overall

28014

Females

11983

F18-39

11983

10K→15K

6.2 - 9.3 mi

Top 99%
×3stories
+67ft-78ft

Overall

28038

Females

11999

F18-39

11999

15K→20K

9.3 - 12.4 mi

Top 99%
×5stories
+106ft-86ft

Overall

28018

Females

12007

F18-39

12007

20K→Half

12.4 - 13.1 mi

Top 98%
×2stories
+19ft-37ft

Overall

27934

Females

11966

F18-39

11966

Half→25K

13.1 - 15.5 mi

Top 99%
×4stories
+66ft-88ft

Overall

28004

Females

12015

F18-39

12015

25K→30K

15.5 - 18.6 mi

Top 99%
×9stories
+181ft-148ft

Overall

27997

Females

12053

F18-39

12053

30K→20M

18.6 - 20.0 mi

Top 99%
×5stories
+64ft-50ft

Overall

28032

Females

12072

F18-39

12072

20M→21M

20.0 - 21.0 mi

Top 99%
×8stories
+106ft-24ft

Overall

28167

Females

12132

F18-39

12132

21M→35K

21.0 - 21.8 mi

Top 97%
×7stories
+17ft-86ft

Overall

27459

Females

11832

F18-39

11832

35K→23M

21.8 - 23.0 mi

Top 98%
×5stories
+23ft-63ft

Overall

27809

Females

12005

F18-39

12005

23M→24M

23.0 - 24.0 mi

Top 98%
×6stories
+12ft-82ft

Overall

27735

Females

12001

F18-39

12001

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

27758

Females

11994

F18-39

11994

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1story
+13ft-16ft

Overall

27674

Females

11973

F18-39

11973

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2stories
+22ft-21ft

Overall

27565

Females

11902

F18-39

11902

Passing Analysis

Category:
Athletes Passed
234
Passed By
508
Net Change
-274
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27850
5K → 10K42156-114#27850#27964
10K → 15K3185-54#27964#28018
15K → 20K2344-21#28018#28039
20K → Half1014-4#28039#28043
Half → 25K2655-29#28043#28072
25K → 30K2853-25#28072#28097
30K → 20M527-22#28097#28119
20M → 21M1039-29#28119#28148
21M → 35K133+10#28148#28138
35K → 23M1113-2#28138#28140
23M → 24M117+4#28140#28136
24M → 40K85+3#28136#28133
40K → 25.2M36-3#28133#28136
25.2M → Finish131+12#28136#28124
TOTALS234508-274
📊

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