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BOSTON MARATHON 2025

Samantha Dame

Bib: 20053•F

CA

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
9:37/mi
29:53
↑ 97↓ 3451.5%
10K· 6.21 mi
9:17/mi
58:45
↑ 79↓ 1380.4%
15K· 9.32 mi
9:26/mi
1:28:02
↑ 67↓ 78
20K· 12.43 mi
9:45/mi
1:58:21
↑ 106↓ 860.1%
Half· 13.11 mi
9:52/mi
2:05:05
↑ 19↓ 370.5%
25K· 15.53 mi
10:06/mi
2:29:35
↑ 66↓ 880.2%
30K· 18.64 mi
9:00/mi
2:57:33
↑ 181↓ 1480.2%
20M
8:49/mi
3:09:32
↑ 64↓ 500.2%
21M
9:16/mi
3:18:48
↑ 106↓ 241.6%
35K· 21.75 mi
8:41/mi
3:25:18
↑ 17↓ 861.7%
23M
8:47/mi
3:36:18
↑ 23↓ 630.6%
24M
8:40/mi
3:44:58
↓ 821.3%
40K· 24.85 mi
8:51/mi
3:52:32
↓ 200.3%
25.2M
9:37/mi
3:55:51
↑ 13↓ 160.2%
Finish· 26.22 mi
8:03/mi
4:04:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:05:05
Pace9:32 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:58:58
Pace9:05 /mi
📊Negative Split: 4.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:29:3729:539:3729:53
9:37
-
10K
6.21 mi11:58:2958:459:2728:52
9:17
-0:20
15K
9.32 mi12:27:461:28:029:2729:17
9:26
+0:09
20K
12.43 mi12:58:051:58:219:3130:19
9:45
+0:19
Half
13.11 mi13:04:492:05:059:326:44
9:52
+0:07
25K
15.53 mi13:29:192:29:359:3824:30
10:06
+0:14
30K
18.64 mi13:57:172:57:339:3127:58
9:00
-1:06
20M
20.00 mi14:09:163:09:329:2911:59
8:49
-0:11
21M
21.00 mi14:18:323:18:489:289:16
9:16
+0:27
35K
21.75 mi14:25:023:25:189:266:30
8:41
-0:35
23M
23.00 mi14:36:023:36:189:2411:00
8:47
+0:06
24M
24.00 mi14:44:423:44:589:228:40
8:40
-0:07
40K
24.85 mi14:52:163:52:329:217:34
8:51
+0:11
25.2M
25.20 mi14:55:353:55:519:223:19
9:37
+0:46
Finish
26.22 mi15:03:474:04:039:198:12
8:03
-1:34

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

8:03 /mi

Average Pace

9:19 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

53:55

22% of race

Time at Steady Pace

1:35:23

39% of race

Time at Slower Pace

1:34:45

39% of race

Average Pace: 9:18 /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 mi11:29:3729:539:3729:53
9:37
#24605
10K
6.21 mi11:58:2958:459:2728:52
9:17
#24055
15K
9.32 mi12:27:461:28:029:2729:17
9:26
#23887
20K
12.43 mi12:58:051:58:219:3130:19
9:45
#23805
Half
13.11 mi13:04:492:05:059:326:44
9:52
#23846
25K
15.53 mi13:29:192:29:359:3824:30
10:06
#23770
30K
18.64 mi13:57:172:57:339:3127:58
9:00
#22868
20M
20.00 mi14:09:163:09:329:2911:59
8:49
#22479
21M
21.00 mi14:18:323:18:489:289:16
9:16
#22135
35K
21.75 mi14:25:023:25:189:266:30
8:41
#21962
23M
23.00 mi14:36:023:36:189:2411:00
8:47
#21630
24M
24.00 mi14:44:423:44:589:228:40
8:40
#21406
40K
24.85 mi14:52:163:52:329:217:34
8:51
#21213
25.2M
25.20 mi14:55:353:55:519:223:19
9:37
#21125
Finish
26.22 mi15:03:474:04:039:198:12
8:03
#20898
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24605100091000923540(Top 83%)9400(Top 77%)9400(Top 172%)
10K6.21 mi3.10 mi24055+5509715+2949715+29423495(Top 83%)9406(Top 77%)9406(Top 172%)
15K9.32 mi3.11 mi23887+1689613+1029613+10223540(Top 83%)9400(Top 77%)9400(Top 172%)
20K12.43 mi3.11 mi23805+829585+289585+2823645(Top 83%)9506(Top 78%)9506(Top 174%)
Half13.11 mi0.68 mi23846-419607-229607-2224554(Top 86%)10021(Top 82%)10021(Top 183%)
25K15.53 mi2.42 mi23770+769567+409567+4023519(Top 83%)9488(Top 78%)9488(Top 173%)
30K18.64 mi3.11 mi22868+9029107+4609107+46017720(Top 62%)6428(Top 53%)6428(Top 118%)
20M20.00 mi1.36 mi22479+3898920+1878920+18715802(Top 56%)5488(Top 45%)5488(Top 100%)
21M21.00 mi1.00 mi22135+3448743+1778743+17715014(Top 53%)5197(Top 43%)5197(Top 95%)
35K21.75 mi0.75 mi21962+1738662+818662+8116687(Top 59%)6183(Top 51%)6183(Top 113%)
23M23.00 mi1.25 mi21630+3328508+1548508+15415073(Top 53%)5385(Top 44%)5385(Top 98%)
24M24.00 mi1.00 mi21406+2248395+1138395+11315587(Top 55%)5700(Top 47%)5700(Top 104%)
40K24.85 mi0.85 mi21213+1938318+778318+7715518(Top 55%)5823(Top 48%)5823(Top 106%)
25.2M25.20 mi0.35 mi21125+888277+418277+4115308(Top 54%)5749(Top 47%)5749(Top 105%)
Finish26.22 mi1.02 mi20898+2278171+1068171+10613256(Top 47%)4596(Top 38%)4596(Top 84%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21story building
+97ft-345ft

Overall

23540

Females

9400

F18-39

9400

5K→10K

3.1 - 6.2 mi

Top 83%
×5story building
+79ft-138ft

Overall

23495

Females

9406

F18-39

9406

10K→15K

6.2 - 9.3 mi

Top 83%
×3story building
+67ft-78ft

Overall

23540

Females

9400

F18-39

9400

15K→20K

9.3 - 12.4 mi

Top 83%
×5story building
+106ft-86ft

Overall

23645

Females

9506

F18-39

9506

20K→Half

12.4 - 13.1 mi

Top 86%
×2story building
+19ft-37ft

Overall

24554

Females

10021

F18-39

10021

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

23519

Females

9488

F18-39

9488

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

17720

Females

6428

F18-39

6428

30K→20M

18.6 - 20.0 mi

Top 56%
×5story building
+64ft-50ft

Overall

15802

Females

5488

F18-39

5488

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

15014

Females

5197

F18-39

5197

21M→35K

21.0 - 21.8 mi

Top 59%
×7story building
+17ft-86ft

Overall

16687

Females

6183

F18-39

6183

35K→23M

21.8 - 23.0 mi

Top 53%
×5story building
+23ft-63ft

Overall

15073

Females

5385

F18-39

5385

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

15587

Females

5700

F18-39

5700

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

15518

Females

5823

F18-39

5823

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

15308

Females

5749

F18-39

5749

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

13256

Females

4596

F18-39

4596

Passing Analysis

Category:
Athletes Passed
4044
Passed By
337
Net Change
+3707
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24605
5K → 10K59040+550#24605#24055
10K → 15K24678+168#24055#23887
15K → 20K17088+82#23887#23805
20K → Half1455-41#23805#23846
Half → 25K14872+76#23846#23770
25K → 30K9020+902#23770#22868
30K → 20M3901+389#22868#22479
20M → 21M3451+344#22479#22135
21M → 35K1730+173#22135#21962
35K → 23M3331+332#21962#21630
23M → 24M2240+224#21630#21406
24M → 40K1941+193#21406#21213
40K → 25.2M880+88#21213#21125
25.2M → Finish2270+227#21125#20898
TOTALS4044337+3707
📊

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