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BOSTON MARATHON 2025

Irma Martinez Cortez

Bib: 23307•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 49%
Gender (Female)
#0 / 12228
Top 35%
Masters (Masters Women)
#0 / 6759
Top 20%
Division (F50-54)
#0 / 1303
Top 13%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:03
Rank: #17108
Start → 5K
25:03 | 8:04/mi
10K· 6.21 mi
50:08
Rank: #17027 (+81)
5K → 10K
25:05 | 8:04/mi
15K· 9.32 mi
1:15:22
Rank: #16970 (+57)
10K → 15K
25:14 | 8:07/mi
20K· 12.43 mi
1:40:32
Rank: #16605 (+365)
15K → 20K
25:10 | 8:06/mi
Half· 13.11 mi
1:45:59
Rank: #16564 (+41)
20K → Half
5:27 | 7:59/mi
25K· 15.53 mi
2:05:41
Rank: #16254 (+310)
Half → 25K
19:42 | 8:08/mi
30K· 18.64 mi
2:31:28
Rank: #15702 (+552)
25K → 30K
25:47 | 8:18/mi
20M
2:42:29
Rank: #15314 (+388)
30K → 20M
11:01 | 8:06/mi
21M
2:51:10
Rank: #15033 (+281)
20M → 21M
8:41 | 8:41/mi
35K· 21.75 mi
2:57:00
Rank: #14858 (+175)
21M → 35K
5:50 | 7:48/mi
23M
3:07:10
Rank: #14583 (+275)
35K → 23M
10:10 | 8:07/mi
24M
3:15:06
Rank: #14404 (+179)
23M → 24M
7:56 | 7:56/mi
40K· 24.85 mi
3:22:00
Rank: #14241 (+163)
24M → 40K
6:54 | 8:04/mi
25.2M
3:24:59
Rank: #14157 (+84)
40K → 25.2M
2:59 | 8:39/mi
Finish· 26.22 mi
3:32:38
Rank: #13934 (+223)
25.2M → Finish
7:39 | 7:30/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:45:59
Pace8:05 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:46:39
Pace8:08 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:2925:038:0425:03
8:04
-
10K
6.21 mi11:46:3450:088:0425:05
8:04
0:00
15K
9.32 mi12:11:481:15:228:0525:14
8:07
+0:03
20K
12.43 mi12:36:581:40:328:0525:10
8:06
-0:01
Half
13.11 mi12:42:251:45:598:055:27
7:59
-0:07
25K
15.53 mi13:02:072:05:418:0519:42
8:08
+0:09
30K
18.64 mi13:27:542:31:288:0825:47
8:18
+0:10
20M
20.00 mi13:38:552:42:298:0711:01
8:06
-0:12
21M
21.00 mi13:47:362:51:108:098:41
8:41
+0:35
35K
21.75 mi13:53:262:57:008:085:50
7:48
-0:53
23M
23.00 mi14:03:363:07:108:0810:10
8:07
+0:19
24M
24.00 mi14:11:323:15:068:087:56
7:56
-0:11
40K
24.85 mi14:18:263:22:008:086:54
8:04
+0:08
25.2M
25.20 mi14:21:253:24:598:082:59
8:39
+0:35
Finish
26.22 mi14:29:043:32:388:077:39
7:30
-1:09

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

7:30 /mi

Average Pace

8:07 /mi

Slowest Pace

8:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:55:11

82% of race

Time at Steady Pace

37:27

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:07 /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 mi11:21:2925:038:0425:03
8:04
#17108
10K
6.21 mi11:46:3450:088:0425:05
8:04
#17027
15K
9.32 mi12:11:481:15:228:0525:14
8:07
#16970
20K
12.43 mi12:36:581:40:328:0525:10
8:06
#16605
Half
13.11 mi12:42:251:45:598:055:27
7:59
#16564
25K
15.53 mi13:02:072:05:418:0519:42
8:08
#16254
30K
18.64 mi13:27:542:31:288:0825:47
8:18
#15702
20M
20.00 mi13:38:552:42:298:0711:01
8:06
#15314
21M
21.00 mi13:47:362:51:108:098:41
8:41
#15033
35K
21.75 mi13:53:262:57:008:085:50
7:48
#14858
23M
23.00 mi14:03:363:07:108:0810:10
8:07
#14583
24M
24.00 mi14:11:323:15:068:087:56
7:56
#14404
40K
24.85 mi14:18:263:22:008:086:54
8:04
#14241
25.2M
25.20 mi14:21:253:24:598:082:59
8:39
#14157
Finish
26.22 mi14:29:043:32:388:077:39
7:30
#13934
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi171085798579816891(Top 59%)5662(Top 46%)5662(Top 435%)
10K6.21 mi3.10 mi17027+815740+585740+5817016(Top 60%)5708(Top 47%)5708(Top 438%)
15K9.32 mi3.11 mi16970+575693+475693+4716891(Top 59%)5662(Top 46%)5662(Top 435%)
20K12.43 mi3.11 mi16605+3655501+1925501+19215641(Top 55%)4996(Top 41%)4996(Top 383%)
Half13.11 mi0.68 mi16564+415477+245477+2415814(Top 56%)5049(Top 41%)5049(Top 387%)
25K15.53 mi2.42 mi16254+3105313+1645313+16414805(Top 52%)4644(Top 38%)4644(Top 356%)
30K18.64 mi3.11 mi15702+5525050+2635050+26313507(Top 48%)4108(Top 34%)4108(Top 315%)
20M20.00 mi1.36 mi15314+3884866+1844866+18411199(Top 39%)3047(Top 25%)3047(Top 234%)
21M21.00 mi1.00 mi15033+2814743+1234743+12311614(Top 41%)3412(Top 28%)3412(Top 262%)
35K21.75 mi0.75 mi14858+1754651+924651+9210890(Top 38%)3073(Top 25%)3073(Top 236%)
23M23.00 mi1.25 mi14583+2754535+1164535+11610904(Top 38%)3191(Top 26%)3191(Top 245%)
24M24.00 mi1.00 mi14404+1794455+804455+8010824(Top 38%)3223(Top 26%)3223(Top 247%)
40K24.85 mi0.85 mi14241+1634408+474408+4710716(Top 38%)3285(Top 27%)3285(Top 252%)
25.2M25.20 mi0.35 mi14157+844374+344374+349837(Top 35%)2963(Top 24%)2963(Top 227%)
Finish26.22 mi1.02 mi13934+2234283+914283+919287(Top 33%)2674(Top 22%)2674(Top 205%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21stories
+97ft-345ft

Overall

16891

Females

5662

F50-54

5662

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

17016

Females

5708

F50-54

5708

10K→15K

6.2 - 9.3 mi

Top 59%
×3stories
+67ft-78ft

Overall

16891

Females

5662

F50-54

5662

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

15641

Females

4996

F50-54

4996

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

15814

Females

5049

F50-54

5049

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

14805

Females

4644

F50-54

4644

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

13507

Females

4108

F50-54

4108

30K→20M

18.6 - 20.0 mi

Top 39%
×5stories
+64ft-50ft

Overall

11199

Females

3047

F50-54

3047

20M→21M

20.0 - 21.0 mi

Top 41%
×8stories
+106ft-24ft

Overall

11614

Females

3412

F50-54

3412

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

10890

Females

3073

F50-54

3073

35K→23M

21.8 - 23.0 mi

Top 38%
×5stories
+23ft-63ft

Overall

10904

Females

3191

F50-54

3191

23M→24M

23.0 - 24.0 mi

Top 38%
×6stories
+12ft-82ft

Overall

10824

Females

3223

F50-54

3223

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10716

Females

3285

F50-54

3285

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9837

Females

2963

F50-54

2963

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

9287

Females

2674

F50-54

2674

Passing Analysis

Category:
Athletes Passed
3756
Passed By
582
Net Change
+3174
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17108
5K → 10K334253+81#17108#17027
10K → 15K227170+57#17027#16970
15K → 20K41449+365#16970#16605
20K → Half5211+41#16605#16564
Half → 25K33626+310#16564#16254
25K → 30K57624+552#16254#15702
30K → 20M3891+388#15702#15314
20M → 21M29211+281#15314#15033
21M → 35K1772+175#15033#14858
35K → 23M2849+275#14858#14583
23M → 24M1889+179#14583#14404
24M → 40K1729+163#14404#14241
40K → 25.2M895+84#14241#14157
25.2M → Finish2263+223#14157#13934
TOTALS3756582+3174
📊

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