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BOSTON MARATHON 2025

Samantha Goffin

Bib: 24457 F GB

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 45%
Division (F55-59)
#0 / 994
Top 25%
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
8:38/mi
26:49
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:28/mi
53:06
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:26/mi
1:19:19
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:27/mi
1:45:33
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:20/mi
1:51:14
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:23/mi
2:11:34
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:18/mi
2:40:27
↑ 181↓ 1480.2%
138 ft elev
20M
8:59/mi
2:52:40
↑ 64↓ 500.2%
148 ft elev
21M
10:07/mi
3:02:47
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:07/mi
3:08:51
↑ 17↓ 861.7%
156 ft elev
23M
9:01/mi
3:20:08
↑ 23↓ 630.6%
116 ft elev
24M
8:28/mi
3:28:36
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:10/mi
3:36:26
↓ 200.3%
20 ft elev
25.2M
11:01/mi
3:40:14
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:09/mi
3:49:33
↑ 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
Time1:51:14
Pace8:29 /mi
2nd Half
Distance13.11 mi
Time1:58:19
Pace9:02 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:3926:498:3826:49
8:38
-
10K
6.21 mi11:52:5653:068:3326:17
8:28
-0:10
15K
9.32 mi12:19:091:19:198:3126:13
8:26
-0:02
20K
12.43 mi12:45:231:45:338:3026:14
8:27
+0:01
Half
13.11 mi12:51:041:51:148:295:41
8:20
-0:07
25K
15.53 mi13:11:242:11:348:2820:20
8:23
+0:03
30K
18.64 mi13:40:172:40:278:3628:53
9:18
+0:55
20M
20.00 mi13:52:302:52:408:3812:13
8:59
-0:19
21M
21.00 mi14:02:373:02:478:4210:07
10:07
+1:08
35K
21.75 mi14:08:413:08:518:416:04
8:07
-2:00
23M
23.00 mi14:19:583:20:088:4211:17
9:01
+0:54
24M
24.00 mi14:28:263:28:368:428:28
8:28
-0:33
40K
24.85 mi14:36:163:36:268:427:50
9:10
+0:42
25.2M
25.20 mi14:40:043:40:148:443:48
11:01
+1:51
Finish
26.22 mi14:49:233:49:338:469:19
9:09
-1:52

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

8:07 /mi

Average Pace

8:46 /mi

Slowest Pace

11:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

6:04

3% of race

Time at Steady Pace

2:32:15

66% of race

Time at Slower Pace

1:11:14

31% of race

Average Pace: 8:45 /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 mi11:26:3926:498:3826:49
8:38
#20654
10K
6.21 mi11:52:5653:068:3326:17
8:28
#20114
15K
9.32 mi12:19:091:19:198:3126:13
8:26
#19733
20K
12.43 mi12:45:231:45:338:3026:14
8:27
#19223
Half
13.11 mi12:51:041:51:148:295:41
8:20
#19162
25K
15.53 mi13:11:242:11:348:2820:20
8:23
#18726
30K
18.64 mi13:40:172:40:278:3628:53
9:18
#18806
20M
20.00 mi13:52:302:52:408:3812:13
8:59
#18619
21M
21.00 mi14:02:373:02:478:4210:07
10:07
#18637
35K
21.75 mi14:08:413:08:518:416:04
8:07
#18443
23M
23.00 mi14:19:583:20:088:4211:17
9:01
#18298
24M
24.00 mi14:28:263:28:368:428:28
8:28
#18103
40K
24.85 mi14:36:163:36:268:427:50
9:10
#18058
25.2M
25.20 mi14:40:043:40:148:443:48
11:01
#18134
Finish
26.22 mi14:49:233:49:338:469:19
9:09
#18220
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi206547883788318966(Top 67%)6882(Top 56%)6882(Top 692%)
10K6.21 mi3.10 mi20114+5407539+3447539+34419575(Top 69%)7217(Top 59%)7217(Top 726%)
15K9.32 mi3.11 mi19733+3817313+2267313+22618966(Top 67%)6882(Top 56%)6882(Top 692%)
20K12.43 mi3.11 mi19223+5107036+2777036+27717849(Top 63%)6262(Top 51%)6262(Top 630%)
Half13.11 mi0.68 mi19162+616999+376999+3718189(Top 64%)6439(Top 53%)6439(Top 648%)
25K15.53 mi2.42 mi18726+4366760+2396760+23916502(Top 58%)5589(Top 46%)5589(Top 562%)
30K18.64 mi3.11 mi18806-806831-716831-7119097(Top 67%)7170(Top 59%)7170(Top 721%)
20M20.00 mi1.36 mi18619+1876756+756756+7516766(Top 59%)6019(Top 49%)6019(Top 606%)
21M21.00 mi1.00 mi18637-186797-416797-4118738(Top 66%)7196(Top 59%)7196(Top 724%)
35K21.75 mi0.75 mi18443+1946704+936704+9313073(Top 46%)4221(Top 35%)4221(Top 425%)
23M23.00 mi1.25 mi18298+1456649+556649+5516357(Top 58%)6094(Top 50%)6094(Top 613%)
24M24.00 mi1.00 mi18103+1956574+756574+7514342(Top 50%)5011(Top 41%)5011(Top 504%)
40K24.85 mi0.85 mi18058+456574657417191(Top 61%)6686(Top 55%)6686(Top 673%)
25.2M25.20 mi0.35 mi18134-766630-566630-5620720(Top 73%)8504(Top 70%)8504(Top 856%)
Finish26.22 mi1.02 mi18220-866691-616691-6119711(Top 69%)7981(Top 65%)7981(Top 803%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

18966

Females

6882

F55-59

6882

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

19575

Females

7217

F55-59

7217

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

18966

Females

6882

F55-59

6882

15K→20K

9.3 - 12.4 mi

Top 63%
×5story building
+106ft-86ft

Overall

17849

Females

6262

F55-59

6262

20K→Half

12.4 - 13.1 mi

Top 64%
×2story building
+19ft-37ft

Overall

18189

Females

6439

F55-59

6439

Half→25K

13.1 - 15.5 mi

Top 58%
×4story building
+66ft-88ft

Overall

16502

Females

5589

F55-59

5589

25K→30K

15.5 - 18.6 mi

Top 67%
×9story building
+181ft-148ft

Overall

19097

Females

7170

F55-59

7170

30K→20M

18.6 - 20.0 mi

Top 59%
×5story building
+64ft-50ft

Overall

16766

Females

6019

F55-59

6019

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

18738

Females

7196

F55-59

7196

21M→35K

21.0 - 21.8 mi

Top 46%
×7story building
+17ft-86ft

Overall

13073

Females

4221

F55-59

4221

35K→23M

21.8 - 23.0 mi

Top 58%
×5story building
+23ft-63ft

Overall

16357

Females

6094

F55-59

6094

23M→24M

23.0 - 24.0 mi

Top 50%
×6story building
+12ft-82ft

Overall

14342

Females

5011

F55-59

5011

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

17191

Females

6686

F55-59

6686

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

20720

Females

8504

F55-59

8504

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

19711

Females

7981

F55-59

7981

Passing Analysis

Category:
Athletes Passed
3342
Passed By
908
Net Change
+2434
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20654
5K → 10K642102+540#20654#20114
10K → 15K42847+381#20114#19733
15K → 20K53222+510#19733#19223
20K → Half7716+61#19223#19162
Half → 25K4415+436#19162#18726
25K → 30K214294-80#18726#18806
30K → 20M20720+187#18806#18619
20M → 21M98116-18#18619#18637
21M → 35K1951+194#18637#18443
35K → 23M17328+145#18443#18298
23M → 24M2016+195#18298#18103
24M → 40K8641+45#18103#18058
40K → 25.2M1288-76#18058#18134
25.2M → Finish36122-86#18134#18220
TOTALS3342908+2434
📊

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