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BOSTON MARATHON 2025

Erika Maguire

NY

Bib: 25853 F

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
9:20/mi
29:01
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:23/mi
58:10
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:34/mi
1:27:53
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:56/mi
1:58:44
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:21/mi
2:05:07
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
10:45/mi
2:31:12
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
11:16/mi
3:06:13
↑ 181↓ 1480.2%
138 ft elev
20M
11:57/mi
3:22:27
↑ 64↓ 500.2%
148 ft elev
21M
11:58/mi
3:34:25
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
11:19/mi
3:42:53
↑ 17↓ 861.7%
156 ft elev
23M
11:08/mi
3:56:49
↑ 23↓ 630.6%
116 ft elev
24M
12:03/mi
4:08:52
↓ 821.3%
34 ft elev
40K· 24.85 mi
11:22/mi
4:18:35
↓ 200.3%
20 ft elev
25.2M
11:53/mi
4:22:41
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:05/mi
4:31:56
↑ 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
Time2:05:07
Pace9:33 /mi
2nd Half
Distance13.11 mi
Time2:26:49
Pace11:12 /mi
📊Positive Split: 17.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:1729:019:2029:01
9:20
-
10K
6.21 mi12:13:2658:109:2229:09
9:23
+0:03
15K
9.32 mi12:43:091:27:539:2629:43
9:34
+0:11
20K
12.43 mi13:14:001:58:449:3330:51
9:56
+0:22
Half
13.11 mi13:20:232:05:079:336:23
9:21
-0:35
25K
15.53 mi13:46:282:31:129:4426:05
10:45
+1:24
30K
18.64 mi14:21:293:06:139:5935:01
11:16
+0:31
20M
20.00 mi14:37:433:22:2710:0716:14
11:57
+0:41
21M
21.00 mi14:49:413:34:2510:1311:58
11:58
+0:01
35K
21.75 mi14:58:093:42:5310:158:28
11:19
-0:39
23M
23.00 mi15:12:053:56:4910:1813:56
11:08
-0:11
24M
24.00 mi15:24:084:08:5210:2212:03
12:03
+0:55
40K
24.85 mi15:33:514:18:3510:249:43
11:22
-0:41
25.2M
25.20 mi15:37:574:22:4110:254:06
11:53
+0:31
Finish
26.22 mi15:47:124:31:5610:239:15
9:05
-2:48

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

9:05 /mi

Average Pace

10:23 /mi

Slowest Pace

12:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:14:22

49% of race

Time at Steady Pace

1:33:13

34% of race

Time at Slower Pace

44:21

16% of race

Average Pace: 10:22 /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 mi11:44:1729:019:2029:01
9:20
#23701
10K
6.21 mi12:13:2658:109:2229:09
9:23
#23770
15K
9.32 mi12:43:091:27:539:2629:43
9:34
#23834
20K
12.43 mi13:14:001:58:449:3330:51
9:56
#23888
Half
13.11 mi13:20:232:05:079:336:23
9:21
#23856
25K
15.53 mi13:46:282:31:129:4426:05
10:45
#24061
30K
18.64 mi14:21:293:06:139:5935:01
11:16
#24211
20M
20.00 mi14:37:433:22:2710:0716:14
11:57
#24306
21M
21.00 mi14:49:413:34:2510:1311:58
11:58
#24252
35K
21.75 mi14:58:093:42:5310:158:28
11:19
#24274
23M
23.00 mi15:12:053:56:4910:1813:56
11:08
#24243
24M
24.00 mi15:24:084:08:5210:2212:03
12:03
#24328
40K
24.85 mi15:33:514:18:3510:249:43
11:22
#24326
25.2M
25.20 mi15:37:574:22:4110:254:06
11:53
#24302
Finish
26.22 mi15:47:124:31:5610:239:15
9:05
#24189
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi23701953595352392196209620
10K6.21 mi3.10 mi23770-699560-259560-252378795599559
15K9.32 mi3.11 mi23834-649587-279587-272392196209620
20K12.43 mi3.11 mi23888-549630-439630-432409597669766
Half13.11 mi0.68 mi23856+329615+159615+152316192449244
25K15.53 mi2.42 mi24061-2059743-1289743-128248271019310193
30K18.64 mi3.11 mi24211-1509843-1009843-100244991013010130
20M20.00 mi1.36 mi24306-959917-749917-74251881057910579
21M21.00 mi1.00 mi24252+549902+159902+152355097859785
35K21.75 mi0.75 mi24274-229926-249926-24248061047610476
23M23.00 mi1.25 mi24243+319927-19927-12352898649864
24M24.00 mi1.00 mi24328-859976-499976-49257451100111001
40K24.85 mi0.85 mi24326+29983-79983-7239011012010120
25.2M25.20 mi0.35 mi24302+249980+39980+32303496779677
Finish26.22 mi1.02 mi24189+1139934+469934+461945378537853

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21story building
+97ft-345ft

Overall

23921

Females

9620

F18-39

9620

5K→10K

3.1 - 6.2 mi

Top 84%
×5story building
+79ft-138ft

Overall

23787

Females

9559

F18-39

9559

10K→15K

6.2 - 9.3 mi

Top 84%
×3story building
+67ft-78ft

Overall

23921

Females

9620

F18-39

9620

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

24095

Females

9766

F18-39

9766

20K→Half

12.4 - 13.1 mi

Top 82%
×2story building
+19ft-37ft

Overall

23161

Females

9244

F18-39

9244

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

24827

Females

10193

F18-39

10193

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

24499

Females

10130

F18-39

10130

30K→20M

18.6 - 20.0 mi

Top 89%
×5story building
+64ft-50ft

Overall

25188

Females

10579

F18-39

10579

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

23550

Females

9785

F18-39

9785

21M→35K

21.0 - 21.8 mi

Top 87%
×7story building
+17ft-86ft

Overall

24806

Females

10476

F18-39

10476

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

23528

Females

9864

F18-39

9864

23M→24M

23.0 - 24.0 mi

Top 91%
×6story building
+12ft-82ft

Overall

25745

Females

11001

F18-39

11001

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23901

Females

10120

F18-39

10120

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

23034

Females

9677

F18-39

9677

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

19453

Females

7853

F18-39

7853

Passing Analysis

Category:
Athletes Passed
1099
Passed By
1587
Net Change
-488
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23701
5K → 10K210279-69#23701#23770
10K → 15K136200-64#23770#23834
15K → 20K115169-54#23834#23888
20K → Half386+32#23888#23856
Half → 25K61266-205#23856#24061
25K → 30K92242-150#24061#24211
30K → 20M46141-95#24211#24306
20M → 21M9339+54#24306#24252
21M → 35K2547-22#24252#24274
35K → 23M7645+31#24274#24243
23M → 24M25110-85#24243#24328
24M → 40K3937+2#24328#24326
40K → 25.2M295+24#24326#24302
25.2M → Finish1141+113#24302#24189
TOTALS10991587-488

Passing Charts

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