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BOSTON MARATHON 2025

Mackenzi Curtin

Bib: 26044•F

MA

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

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
9:29/mi
29:27
↑ 97↓ 3451.5%
10K· 6.21 mi
9:08/mi
57:51
↑ 79↓ 1380.4%
15K· 9.32 mi
9:07/mi
1:26:10
↑ 67↓ 78
20K· 12.43 mi
9:10/mi
1:54:40
↑ 106↓ 860.1%
Half· 13.11 mi
9:07/mi
2:00:53
↑ 19↓ 370.5%
25K· 15.53 mi
9:16/mi
2:23:20
↑ 66↓ 880.2%
30K· 18.64 mi
9:44/mi
2:53:34
↑ 181↓ 1480.2%
20M
9:54/mi
3:07:01
↑ 64↓ 500.2%
21M
10:17/mi
3:17:18
↑ 106↓ 241.6%
35K· 21.75 mi
9:36/mi
3:24:29
↑ 17↓ 861.7%
23M
10:09/mi
3:37:12
↑ 23↓ 630.6%
24M
9:46/mi
3:46:58
↓ 821.3%
40K· 24.85 mi
9:33/mi
3:55:08
↓ 200.3%
25.2M
10:03/mi
3:58:36
↑ 13↓ 160.2%
Finish· 26.22 mi
8:48/mi
4:07:34
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:53
Pace9:13 /mi
2nd Half
Distance13.11 mi
Time2:06:41
Pace9:40 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:2929:279:2929:27
9:29
-
10K
6.21 mi12:16:5357:519:1928:24
9:08
-0:21
15K
9.32 mi12:45:121:26:109:1528:19
9:07
-0:01
20K
12.43 mi13:13:421:54:409:1428:30
9:10
+0:03
Half
13.11 mi13:19:552:00:539:136:13
9:07
-0:03
25K
15.53 mi13:42:222:23:209:1422:27
9:16
+0:09
30K
18.64 mi14:12:362:53:349:1930:14
9:44
+0:28
20M
20.00 mi14:26:033:07:019:2113:27
9:54
+0:10
21M
21.00 mi14:36:203:17:189:2410:17
10:17
+0:23
35K
21.75 mi14:43:313:24:299:247:11
9:36
-0:41
23M
23.00 mi14:56:143:37:129:2712:43
10:09
+0:33
24M
24.00 mi15:06:003:46:589:279:46
9:46
-0:23
40K
24.85 mi15:14:103:55:089:288:10
9:33
-0:13
25.2M
25.20 mi15:17:383:58:369:283:28
10:03
+0:30
Finish
26.22 mi15:26:364:07:349:278:58
8:48
-1:15

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

8:48 /mi

Average Pace

9:27 /mi

Slowest Pace

10:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:39

68% of race

Time at Steady Pace

1:19:55

32% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:27 /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 mi11:48:2929:279:2929:27
9:29
#24186
10K
6.21 mi12:16:5357:519:1928:24
9:08
#23607
15K
9.32 mi12:45:121:26:109:1528:19
9:07
#23253
20K
12.43 mi13:13:421:54:409:1428:30
9:10
#22899
Half
13.11 mi13:19:552:00:539:136:13
9:07
#22868
25K
15.53 mi13:42:222:23:209:1422:27
9:16
#22537
30K
18.64 mi14:12:362:53:349:1930:14
9:44
#22197
20M
20.00 mi14:26:033:07:019:2113:27
9:54
#22081
21M
21.00 mi14:36:203:17:189:2410:17
10:17
#21900
35K
21.75 mi14:43:313:24:299:247:11
9:36
#21841
23M
23.00 mi14:56:143:37:129:2712:43
10:09
#21773
24M
24.00 mi15:06:003:46:589:279:46
9:46
#21725
40K
24.85 mi15:14:103:55:089:288:10
9:33
#21594
25.2M
25.20 mi15:17:383:58:369:283:28
10:03
#21541
Finish
26.22 mi15:26:364:07:349:278:58
8:48
#21415
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi241869788978822523(Top 79%)8844(Top 72%)8844(Top 162%)
10K6.21 mi3.10 mi23607+5799486+3029486+30222967(Top 81%)9114(Top 75%)9114(Top 167%)
15K9.32 mi3.11 mi23253+3549265+2219265+22122523(Top 79%)8844(Top 72%)8844(Top 162%)
20K12.43 mi3.11 mi22899+3549070+1959070+19521798(Top 77%)8478(Top 69%)8478(Top 155%)
Half13.11 mi0.68 mi22868+319052+189052+1822286(Top 78%)8768(Top 72%)8768(Top 160%)
25K15.53 mi2.42 mi22537+3318884+1688884+16821029(Top 74%)8117(Top 66%)8117(Top 148%)
30K18.64 mi3.11 mi22197+3408730+1548730+15420789(Top 73%)8112(Top 66%)8112(Top 148%)
20M20.00 mi1.36 mi22081+1168684+468684+4620625(Top 73%)8156(Top 67%)8156(Top 149%)
21M21.00 mi1.00 mi21900+1818605+798605+7919337(Top 68%)7524(Top 62%)7524(Top 138%)
35K21.75 mi0.75 mi21841+598589+168589+1620708(Top 73%)8354(Top 68%)8354(Top 153%)
23M23.00 mi1.25 mi21773+688588+18588+120996(Top 74%)8553(Top 70%)8553(Top 156%)
24M24.00 mi1.00 mi21725+488583+58583+520630(Top 73%)8411(Top 69%)8411(Top 154%)
40K24.85 mi0.85 mi21594+1318528+558528+5518940(Top 67%)7610(Top 62%)7610(Top 139%)
25.2M25.20 mi0.35 mi21541+538506+228506+2217350(Top 61%)6800(Top 56%)6800(Top 124%)
Finish26.22 mi1.02 mi21415+1268455+518455+5118085(Top 64%)7142(Top 58%)7142(Top 131%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21story building
+97ft-345ft

Overall

22523

Females

8844

F18-39

8844

5K→10K

3.1 - 6.2 mi

Top 81%
×5story building
+79ft-138ft

Overall

22967

Females

9114

F18-39

9114

10K→15K

6.2 - 9.3 mi

Top 79%
×3story building
+67ft-78ft

Overall

22523

Females

8844

F18-39

8844

15K→20K

9.3 - 12.4 mi

Top 77%
×5story building
+106ft-86ft

Overall

21798

Females

8478

F18-39

8478

20K→Half

12.4 - 13.1 mi

Top 78%
×2story building
+19ft-37ft

Overall

22286

Females

8768

F18-39

8768

Half→25K

13.1 - 15.5 mi

Top 74%
×4story building
+66ft-88ft

Overall

21029

Females

8117

F18-39

8117

25K→30K

15.5 - 18.6 mi

Top 73%
×9story building
+181ft-148ft

Overall

20789

Females

8112

F18-39

8112

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

20625

Females

8156

F18-39

8156

20M→21M

20.0 - 21.0 mi

Top 68%
×8story building
+106ft-24ft

Overall

19337

Females

7524

F18-39

7524

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

20708

Females

8354

F18-39

8354

35K→23M

21.8 - 23.0 mi

Top 74%
×5story building
+23ft-63ft

Overall

20996

Females

8553

F18-39

8553

23M→24M

23.0 - 24.0 mi

Top 73%
×6story building
+12ft-82ft

Overall

20630

Females

8411

F18-39

8411

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

18940

Females

7610

F18-39

7610

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

17350

Females

6800

F18-39

6800

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

18085

Females

7142

F18-39

7142

Passing Analysis

Category:
Athletes Passed
3113
Passed By
342
Net Change
+2771
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24186
5K → 10K63758+579#24186#23607
10K → 15K39844+354#23607#23253
15K → 20K38228+354#23253#22899
20K → Half4211+31#22899#22868
Half → 25K34817+331#22868#22537
25K → 30K38141+340#22537#22197
30K → 20M14832+116#22197#22081
20M → 21M1876+181#22081#21900
21M → 35K7516+59#21900#21841
35K → 23M10840+68#21841#21773
23M → 24M7426+48#21773#21725
24M → 40K14110+131#21725#21594
40K → 25.2M585+53#21594#21541
25.2M → Finish1348+126#21541#21415
TOTALS3113342+2771
📊

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