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BOSTON MARATHON 2025

Samantha Hamilton

NH

Bib: 13003 F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 26%
Gender (Female)
#0 / 12228
Top 9%
Division (F18-39)
#0 / 5469
Top 18%
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
7:13/mi
22:26
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:13/mi
44:51
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:23/mi
1:07:48
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:09/mi
1:30:00
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:14/mi
1:34:56
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:13/mi
1:52:27
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:21/mi
2:15:17
↑ 181↓ 1480.2%
138 ft elev
20M
7:22/mi
2:25:17
↑ 64↓ 500.2%
148 ft elev
21M
7:43/mi
2:33:00
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:14/mi
2:38:25
↑ 17↓ 861.7%
156 ft elev
23M
7:26/mi
2:47:43
↑ 23↓ 630.6%
116 ft elev
24M
7:13/mi
2:54:56
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:24/mi
3:01:16
↓ 200.3%
20 ft elev
25.2M
8:07/mi
3:04:04
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:08/mi
3:11:20
↑ 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
Time1:34:56
Pace7:14 /mi
2nd Half
Distance13.11 mi
Time1:36:24
Pace7:21 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:0422:267:1322:26
7:13
-
10K
6.21 mi11:13:2944:517:1322:25
7:13
0:00
15K
9.32 mi11:36:261:07:487:1622:57
7:23
+0:10
20K
12.43 mi11:58:381:30:007:1522:12
7:09
-0:14
Half
13.11 mi12:03:341:34:567:144:56
7:14
+0:05
25K
15.53 mi12:21:051:52:277:1417:31
7:13
-0:01
30K
18.64 mi12:43:552:15:177:1522:50
7:21
+0:08
20M
20.00 mi12:53:552:25:177:1610:00
7:22
+0:01
21M
21.00 mi13:01:382:33:007:177:43
7:43
+0:21
35K
21.75 mi13:07:032:38:257:175:25
7:14
-0:29
23M
23.00 mi13:16:212:47:437:189:18
7:26
+0:12
24M
24.00 mi13:23:342:54:567:177:13
7:13
-0:13
40K
24.85 mi13:29:543:01:167:186:20
7:24
+0:11
25.2M
25.20 mi13:32:423:04:047:182:48
8:07
+0:43
Finish
26.22 mi13:39:583:11:207:187:16
7:08
-0:59

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

7:08 /mi

Average Pace

7:18 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:32

99% of race

Time at Steady Pace

2:48

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:18 /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 mi10:51:0422:267:1322:26
7:13
#9643
10K
6.21 mi11:13:2944:517:1322:25
7:13
#9611
15K
9.32 mi11:36:261:07:487:1622:57
7:23
#9990
20K
12.43 mi11:58:381:30:007:1522:12
7:09
#9356
Half
13.11 mi12:03:341:34:567:144:56
7:14
#9356
25K
15.53 mi12:21:051:52:277:1417:31
7:13
#9019
30K
18.64 mi12:43:552:15:177:1522:50
7:21
#8491
20M
20.00 mi12:53:552:25:177:1610:00
7:22
#8253
21M
21.00 mi13:01:382:33:007:177:43
7:43
#8016
35K
21.75 mi13:07:032:38:257:175:25
7:14
#7930
23M
23.00 mi13:16:212:47:437:189:18
7:26
#7755
24M
24.00 mi13:23:342:54:567:177:13
7:13
#7639
40K
24.85 mi13:29:543:01:167:186:20
7:24
#7539
25.2M
25.20 mi13:32:423:04:047:182:48
8:07
#7502
Finish
26.22 mi13:39:583:11:207:187:16
7:08
#7419
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9643164216421075022372237
10K6.21 mi3.10 mi9611+321617+251617+25963016521652
15K9.32 mi3.11 mi9990-3791838-2211838-2211075022372237
20K12.43 mi3.11 mi9356+6341573+2651573+265780310361036
Half13.11 mi0.68 mi93561579-61579-6940016431643
25K15.53 mi2.42 mi9019+3371455+1241455+124779511411141
30K18.64 mi3.11 mi8491+5281294+1611294+1616761919919
20M20.00 mi1.36 mi8253+2381231+631231+636163849849
21M21.00 mi1.00 mi8016+2371185+461185+465774849849
35K21.75 mi0.75 mi7930+861174+111174+11688512361236
23M23.00 mi1.25 mi7755+1751154+201154+20622611051105
24M24.00 mi1.00 mi7639+1161141+131141+13595210531053
40K24.85 mi0.85 mi7539+1001143-21143-2628412441244
25.2M25.20 mi0.35 mi7502+3711431143665714851485
Finish26.22 mi1.02 mi7419+831144-11144-1659914851485

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21story building
+97ft-345ft

Overall

10750

Females

2237

F18-39

2237

5K→10K

3.1 - 6.2 mi

Top 34%
×5story building
+79ft-138ft

Overall

9630

Females

1652

F18-39

1652

10K→15K

6.2 - 9.3 mi

Top 38%
×3story building
+67ft-78ft

Overall

10750

Females

2237

F18-39

2237

15K→20K

9.3 - 12.4 mi

Top 27%
×5story building
+106ft-86ft

Overall

7803

Females

1036

F18-39

1036

20K→Half

12.4 - 13.1 mi

Top 33%
×2story building
+19ft-37ft

Overall

9400

Females

1643

F18-39

1643

Half→25K

13.1 - 15.5 mi

Top 27%
×4story building
+66ft-88ft

Overall

7795

Females

1141

F18-39

1141

25K→30K

15.5 - 18.6 mi

Top 24%
×9story building
+181ft-148ft

Overall

6761

Females

919

F18-39

919

30K→20M

18.6 - 20.0 mi

Top 22%
×5story building
+64ft-50ft

Overall

6163

Females

849

F18-39

849

20M→21M

20.0 - 21.0 mi

Top 20%
×8story building
+106ft-24ft

Overall

5774

Females

849

F18-39

849

21M→35K

21.0 - 21.8 mi

Top 24%
×7story building
+17ft-86ft

Overall

6885

Females

1236

F18-39

1236

35K→23M

21.8 - 23.0 mi

Top 22%
×5story building
+23ft-63ft

Overall

6226

Females

1105

F18-39

1105

23M→24M

23.0 - 24.0 mi

Top 21%
×6story building
+12ft-82ft

Overall

5952

Females

1053

F18-39

1053

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

6284

Females

1244

F18-39

1244

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6657

Females

1485

F18-39

1485

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2story building
+22ft-21ft

Overall

6599

Females

1485

F18-39

1485

Passing Analysis

Category:
Athletes Passed
3083
Passed By
857
Net Change
+2224
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9643
5K → 10K249216+32#9643#9611
10K → 15K71449-379#9611#9990
15K → 20K6406+634#9990#9356
20K → Half24240#9356#9356
Half → 25K35316+337#9356#9019
25K → 30K54921+528#9019#8491
30K → 20M2435+238#8491#8253
20M → 21M2469+237#8253#8016
21M → 35K10317+86#8016#7930
35K → 23M19419+175#7930#7755
23M → 24M12711+116#7755#7639
24M → 40K12020+100#7639#7539
40K → 25.2M5316+37#7539#7502
25.2M → Finish11128+83#7502#7419
TOTALS3083857+2224

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