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BOSTON MARATHON 2025

Cortney Haser

LA

Bib: 13988 F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 37%
Gender (Female)
#0 / 12228
Top 21%
Division (F18-39)
#0 / 5469
Top 36%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:17/mi
22:37
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:17/mi
45:14
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:15/mi
1:07:45
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:25/mi
1:30:47
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:23/mi
1:35:49
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:34/mi
1:54:10
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:58/mi
2:18:54
↑ 181↓ 1480.2%
138 ft elev
20M
8:15/mi
2:30:06
↑ 64↓ 500.2%
148 ft elev
21M
8:46/mi
2:38:52
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:51/mi
2:44:44
↑ 17↓ 861.7%
156 ft elev
23M
8:16/mi
2:55:05
↑ 23↓ 630.6%
116 ft elev
24M
8:13/mi
3:03:18
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:22/mi
3:10:27
↓ 200.3%
20 ft elev
25.2M
9:08/mi
3:13:36
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:41/mi
3:21:26
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:49
Pace7:19 /mi
2nd Half
Distance13.11 mi
Time1:45:37
Pace8:03 /mi
📊Positive Split: 10.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:0822:377:1722:37
7:17
-
10K
6.21 mi11:14:4545:147:1722:37
7:17
0:00
15K
9.32 mi11:37:161:07:457:1622:31
7:15
-0:02
20K
12.43 mi12:00:181:30:477:1823:02
7:25
+0:10
Half
13.11 mi12:05:201:35:497:195:02
7:23
-0:02
25K
15.53 mi12:23:411:54:107:2118:21
7:34
+0:11
30K
18.64 mi12:48:252:18:547:2724:44
7:58
+0:24
20M
20.00 mi12:59:372:30:067:3011:12
8:15
+0:17
21M
21.00 mi13:08:232:38:527:348:46
8:46
+0:31
35K
21.75 mi13:14:152:44:447:345:52
7:51
-0:55
23M
23.00 mi13:24:362:55:057:3710:21
8:16
+0:25
24M
24.00 mi13:32:493:03:187:388:13
8:13
-0:03
40K
24.85 mi13:39:583:10:277:407:09
8:22
+0:09
25.2M
25.20 mi13:43:073:13:367:413:09
9:08
+0:46
Finish
26.22 mi13:50:573:21:267:417:50
7:41
-1:27

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

7:15 /mi

Average Pace

7:41 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:10

57% of race

Time at Steady Pace

38:26

19% of race

Time at Slower Pace

48:50

24% of race

Average Pace: 7:41 /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 mi10:52:0822:377:1722:37
7:17
#10173
10K
6.21 mi11:14:4545:147:1722:37
7:17
#10180
15K
9.32 mi11:37:161:07:457:1622:31
7:15
#9931
20K
12.43 mi12:00:181:30:477:1823:02
7:25
#9924
Half
13.11 mi12:05:201:35:497:195:02
7:23
#9960
25K
15.53 mi12:23:411:54:107:2118:21
7:34
#9995
30K
18.64 mi12:48:252:18:547:2724:44
7:58
#10161
20M
20.00 mi12:59:372:30:067:3011:12
8:15
#10296
21M
21.00 mi13:08:232:38:527:348:46
8:46
#10385
35K
21.75 mi13:14:152:44:447:345:52
7:51
#10411
23M
23.00 mi13:24:362:55:057:3710:21
8:16
#10452
24M
24.00 mi13:32:493:03:187:388:13
8:13
#10534
40K
24.85 mi13:39:583:10:277:407:09
8:22
#10578
25.2M
25.20 mi13:43:073:13:367:413:09
9:08
#10591
Finish
26.22 mi13:50:573:21:267:417:50
7:41
#10572
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10173188218829550(Top 34%)1678(Top 14%)1678(Top 31%)
10K6.21 mi3.10 mi10180-71898-161898-1610202(Top 36%)1914(Top 16%)1914(Top 35%)
15K9.32 mi3.11 mi9931+2491814+841814+849550(Top 34%)1678(Top 14%)1678(Top 31%)
20K12.43 mi3.11 mi9924+71826-121826-1210032(Top 35%)1977(Top 16%)1977(Top 36%)
Half13.11 mi0.68 mi9960-361850-241850-2410755(Top 38%)2320(Top 19%)2320(Top 42%)
25K15.53 mi2.42 mi9995-351904-541904-5410515(Top 37%)2332(Top 19%)2332(Top 43%)
30K18.64 mi3.11 mi10161-1662045-1412045-14111110(Top 39%)2840(Top 23%)2840(Top 52%)
20M20.00 mi1.36 mi10296-1352145-1002145-10012079(Top 43%)3483(Top 28%)3483(Top 64%)
21M21.00 mi1.00 mi10385-892234-892234-8912100(Top 43%)3645(Top 30%)3645(Top 67%)
35K21.75 mi0.75 mi10411-262269-352269-3511146(Top 39%)3172(Top 26%)3172(Top 58%)
23M23.00 mi1.25 mi10452-412325-562325-5611830(Top 42%)3641(Top 30%)3641(Top 67%)
24M24.00 mi1.00 mi10534-822405-802405-8012690(Top 45%)4145(Top 34%)4145(Top 76%)
40K24.85 mi0.85 mi10578-442456-512456-5112548(Top 44%)4201(Top 34%)4201(Top 77%)
25.2M25.20 mi0.35 mi10591-132483-272483-2712572(Top 44%)4251(Top 35%)4251(Top 78%)
Finish26.22 mi1.02 mi10572+192508-252508-2510628(Top 37%)3273(Top 27%)3273(Top 60%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

9550

Females

1678

F18-39

1678

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

10202

Females

1914

F18-39

1914

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

9550

Females

1678

F18-39

1678

15K→20K

9.3 - 12.4 mi

Top 35%
×5story building
+106ft-86ft

Overall

10032

Females

1977

F18-39

1977

20K→Half

12.4 - 13.1 mi

Top 38%
×2story building
+19ft-37ft

Overall

10755

Females

2320

F18-39

2320

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

10515

Females

2332

F18-39

2332

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

11110

Females

2840

F18-39

2840

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

12079

Females

3483

F18-39

3483

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

12100

Females

3645

F18-39

3645

21M→35K

21.0 - 21.8 mi

Top 39%
×7story building
+17ft-86ft

Overall

11146

Females

3172

F18-39

3172

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

11830

Females

3641

F18-39

3641

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

12690

Females

4145

F18-39

4145

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12548

Females

4201

F18-39

4201

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12572

Females

4251

F18-39

4251

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2story building
+22ft-21ft

Overall

10628

Females

3273

F18-39

3273

Passing Analysis

Category:
Athletes Passed
1622*
Passed By
2017
Net Change
-399
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10173
5K → 10K235242-7#10173#10180
10K → 15K320*71+249#10180#9931
15K → 20K199191+7#9931#9924
20K → Half1146-36#9924#9960
Half → 25K141176-35#9960#9995
25K → 30K181345-166#9995#10161
30K → 20M86221-135#10161#10296
20M → 21M85174-89#10296#10385
21M → 35K4470-26#10385#10411
35K → 23M95136-41#10411#10452
23M → 24M56138-82#10452#10534
24M → 40K4892-44#10534#10578
40K → 25.2M3952-13#10578#10591
25.2M → Finish8263+19#10591#10572
TOTALS1622*2017-399

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

📊

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