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BOSTON MARATHON 2025

Erin Helbling

Bib: 27242•F

SC

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
8:00/mi
24:51
↑ 97↓ 3451.5%
10K· 6.21 mi
7:56/mi
49:30
↑ 79↓ 1380.4%
15K· 9.32 mi
8:01/mi
1:14:25
↑ 67↓ 78
20K· 12.43 mi
8:20/mi
1:40:18
↑ 106↓ 860.1%
Half· 13.11 mi
8:08/mi
1:45:51
↑ 19↓ 370.5%
25K· 15.53 mi
10:55/mi
2:12:20
↑ 66↓ 880.2%
30K· 18.64 mi
16:53/mi
3:04:46
↑ 181↓ 1480.2%
20M
18:10/mi
3:29:27
↑ 64↓ 500.2%
21M
12:20/mi
3:41:47
↑ 106↓ 241.6%
35K· 21.75 mi
11:34/mi
3:50:26
↑ 17↓ 861.7%
23M
11:11/mi
4:04:26
↑ 23↓ 630.6%
24M
11:58/mi
4:16:24
↓ 821.3%
40K· 24.85 mi
12:13/mi
4:26:51
↓ 200.3%
25.2M
12:14/mi
4:31:04
↑ 13↓ 160.2%
Finish· 26.22 mi
9:35/mi
4:40:50
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:51
Pace8:04 /mi
2nd Half
Distance13.11 mi
Time2:54:59
Pace13:21 /mi
📊Positive Split: 65.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:40:2724:518:0024:51
8:00
-
10K
6.21 mi12:05:0649:307:5824:39
7:56
-0:04
15K
9.32 mi12:30:011:14:257:5924:55
8:01
+0:05
20K
12.43 mi12:55:541:40:188:0425:53
8:20
+0:19
Half
13.11 mi13:01:271:45:518:045:33
8:08
-0:12
25K
15.53 mi13:27:562:12:208:3126:29
10:55
+2:47
30K
18.64 mi14:20:223:04:469:5552:26
16:53
+5:58
20M
20.00 mi14:45:033:29:2710:2824:41
18:10
+1:17
21M
21.00 mi14:57:233:41:4710:3412:20
12:20
-5:50
35K
21.75 mi15:06:023:50:2610:368:39
11:34
-0:46
23M
23.00 mi15:20:024:04:2610:3814:00
11:11
-0:23
24M
24.00 mi15:32:004:16:2410:4111:58
11:58
+0:47
40K
24.85 mi15:42:274:26:5110:4410:27
12:13
+0:15
25.2M
25.20 mi15:46:404:31:0410:454:13
12:14
+0:01
Finish
26.22 mi15:56:264:40:5010:439:46
9:35
-2:39

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

7:56 /mi

Average Pace

10:43 /mi

Slowest Pace

18:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:37

41% of race

Time at Steady Pace

1:28:06

31% of race

Time at Slower Pace

1:17:07

27% of race

Average Pace: 10:43 /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 mi11:40:2724:518:0024:51
8:00
#16555
10K
6.21 mi12:05:0649:307:5824:39
7:56
#16220
15K
9.32 mi12:30:011:14:257:5924:55
8:01
#16201
20K
12.43 mi12:55:541:40:188:0425:53
8:20
#16455
Half
13.11 mi13:01:271:45:518:045:33
8:08
#16483
25K
15.53 mi13:27:562:12:208:3126:29
10:55
#19023
30K
18.64 mi14:20:223:04:469:5552:26
16:53
#23996
20M
20.00 mi14:45:033:29:2710:2824:41
18:10
#25021
21M
21.00 mi14:57:233:41:4710:3412:20
12:20
#24991
35K
21.75 mi15:06:023:50:2610:368:39
11:34
#25010
23M
23.00 mi15:20:024:04:2610:3814:00
11:11
#24931
24M
24.00 mi15:32:004:16:2410:4111:58
11:58
#24975
40K
24.85 mi15:42:274:26:5110:4410:27
12:13
#24990
25.2M
25.20 mi15:46:404:31:0410:454:13
12:14
#24987
Finish
26.22 mi15:56:264:40:5010:439:46
9:35
#24903
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi165555491549116173(Top 57%)5245(Top 43%)5245(Top 96%)
10K6.21 mi3.10 mi16220+3355280+2115280+21115921(Top 56%)5084(Top 42%)5084(Top 93%)
15K9.32 mi3.11 mi16201+195253+275253+2716173(Top 57%)5245(Top 43%)5245(Top 96%)
20K12.43 mi3.11 mi16455-2545407-1545407-15417094(Top 60%)5826(Top 48%)5826(Top 107%)
Half13.11 mi0.68 mi16483-285431-245431-2416778(Top 59%)5652(Top 46%)5652(Top 103%)
25K15.53 mi2.42 mi19023-25406930-14996930-149925093(Top 88%)10341(Top 85%)10341(Top 189%)
30K18.64 mi3.11 mi23996-49739726-27969726-279628342(Top 100%)12202(Top 100%)12202(Top 223%)
20M20.00 mi1.36 mi25021-102510306-58010306-58028353(Top 100%)12212(Top 100%)12212(Top 223%)
21M21.00 mi1.00 mi24991+3010302+410302+424134(Top 85%)10103(Top 83%)10103(Top 185%)
35K21.75 mi0.75 mi25010-1910320-1810320-1825166(Top 89%)10677(Top 87%)10677(Top 195%)
23M23.00 mi1.25 mi24931+7910296+2410296+2423619(Top 83%)9914(Top 81%)9914(Top 181%)
24M24.00 mi1.00 mi24975-4410327-3110327-3125623(Top 90%)10946(Top 90%)10946(Top 200%)
40K24.85 mi0.85 mi24990-1510348-2110348-2125257(Top 89%)10794(Top 88%)10794(Top 197%)
25.2M25.20 mi0.35 mi24987+310346+210346+223606(Top 83%)9983(Top 82%)9983(Top 183%)
Finish26.22 mi1.02 mi24903+8410313+3310313+3321459(Top 76%)8897(Top 73%)8897(Top 163%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

16173

Females

5245

F18-39

5245

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

15921

Females

5084

F18-39

5084

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

16173

Females

5245

F18-39

5245

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

17094

Females

5826

F18-39

5826

20K→Half

12.4 - 13.1 mi

Top 59%
×2story building
+19ft-37ft

Overall

16778

Females

5652

F18-39

5652

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

25093

Females

10341

F18-39

10341

25K→30K

15.5 - 18.6 mi

Top 100%
×9story building
+181ft-148ft

Overall

28342

Females

12202

F18-39

12202

30K→20M

18.6 - 20.0 mi

Top 100%
×5story building
+64ft-50ft

Overall

28353

Females

12212

F18-39

12212

20M→21M

20.0 - 21.0 mi

Top 85%
×8story building
+106ft-24ft

Overall

24134

Females

10103

F18-39

10103

21M→35K

21.0 - 21.8 mi

Top 89%
×7story building
+17ft-86ft

Overall

25166

Females

10677

F18-39

10677

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

23619

Females

9914

F18-39

9914

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

25623

Females

10946

F18-39

10946

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

25257

Females

10794

F18-39

10794

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23606

Females

9983

F18-39

9983

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2story building
+22ft-21ft

Overall

21459

Females

8897

F18-39

8897

Passing Analysis

Category:
Athletes Passed
1195
Passed By
9543
Net Change
-8348
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16555
5K → 10K483148+335#16555#16220
10K → 15K213194+19#16220#16201
15K → 20K140394-254#16201#16455
20K → Half2654-28#16455#16483
Half → 25K32543-2540#16483#19023
25K → 30K34976-4973#19023#23996
30K → 20M51030-1025#23996#25021
20M → 21M5828+30#25021#24991
21M → 35K1837-19#24991#25010
35K → 23M889+79#25010#24931
23M → 24M1963-44#24931#24975
24M → 40K3651-15#24975#24990
40K → 25.2M1512+3#24990#24987
25.2M → Finish884+84#24987#24903
TOTALS11959543-8348
📊

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