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BOSTON MARATHON 2025

Stephen Lunsford

Bib: 18716•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
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
7:49/mi
24:18
↑ 97↓ 3451.5%
10K· 6.21 mi
7:49/mi
48:34
↑ 79↓ 1380.4%
15K· 9.32 mi
7:48/mi
1:12:47
↑ 67↓ 78
20K· 12.43 mi
8:08/mi
1:38:04
↑ 106↓ 860.1%
Half· 13.11 mi
7:43/mi
1:43:20
↑ 19↓ 370.5%
25K· 15.53 mi
8:15/mi
2:03:19
↑ 66↓ 880.2%
30K· 18.64 mi
8:24/mi
2:29:24
↑ 181↓ 1480.2%
20M
10:50/mi
2:44:07
↑ 64↓ 500.2%
21M
9:43/mi
2:53:50
↑ 106↓ 241.6%
35K· 21.75 mi
9:49/mi
3:01:11
↑ 17↓ 861.7%
23M
10:01/mi
3:13:44
↑ 23↓ 630.6%
24M
9:10/mi
3:22:54
↓ 821.3%
40K· 24.85 mi
9:55/mi
3:31:23
↓ 200.3%
25.2M
12:05/mi
3:35:33
↑ 13↓ 160.2%
Finish· 26.22 mi
9:19/mi
3:45:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:20
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time2:01:43
Pace9:17 /mi
📊Positive Split: 17.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:0824:187:4924:18
7:49
-
10K
6.21 mi11:39:2448:347:4924:16
7:49
0:00
15K
9.32 mi12:03:371:12:477:4924:13
7:48
-0:01
20K
12.43 mi12:28:541:38:047:5325:17
8:08
+0:20
Half
13.11 mi12:34:101:43:207:535:16
7:43
-0:25
25K
15.53 mi12:54:092:03:197:5619:59
8:15
+0:32
30K
18.64 mi13:20:142:29:248:0126:05
8:24
+0:09
20M
20.00 mi13:34:572:44:078:1214:43
10:50
+2:26
21M
21.00 mi13:44:402:53:508:179:43
9:43
-1:07
35K
21.75 mi13:52:013:01:118:207:21
9:49
+0:06
23M
23.00 mi14:04:343:13:448:2512:33
10:01
+0:12
24M
24.00 mi14:13:443:22:548:279:10
9:10
-0:51
40K
24.85 mi14:22:133:31:238:308:29
9:55
+0:45
25.2M
25.20 mi14:26:233:35:338:334:10
12:05
+2:10
Finish
26.22 mi14:35:533:45:038:359:30
9:19
-2:46

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

7:43 /mi

Average Pace

8:35 /mi

Slowest Pace

12:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:24

66% of race

Time at Steady Pace

28:23

13% of race

Time at Slower Pace

47:16

21% of race

Average Pace: 8:35 /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 mi11:15:0824:187:4924:18
7:49
#14997
10K
6.21 mi11:39:2448:347:4924:16
7:49
#14910
15K
9.32 mi12:03:371:12:477:4924:13
7:48
#14696
20K
12.43 mi12:28:541:38:047:5325:17
8:08
#15014
Half
13.11 mi12:34:101:43:207:535:16
7:43
#14940
25K
15.53 mi12:54:092:03:197:5619:59
8:15
#15066
30K
18.64 mi13:20:142:29:248:0126:05
8:24
#14852
20M
20.00 mi13:34:572:44:078:1214:43
10:50
#15899
21M
21.00 mi13:44:402:53:508:179:43
9:43
#15934
35K
21.75 mi13:52:013:01:118:207:21
9:49
#16175
23M
23.00 mi14:04:343:13:448:2512:33
10:01
#16489
24M
24.00 mi14:13:443:22:548:279:10
9:10
#16581
40K
24.85 mi14:22:133:31:238:308:29
9:55
#16773
25.2M
25.20 mi14:26:233:35:338:334:10
12:05
#16974
Finish
26.22 mi14:35:533:45:038:359:30
9:19
#17150
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi14997104281042814318(Top 50%)10065(Top 62%)10065(Top 611%)
10K6.21 mi3.10 mi14910+8710367+6110367+6114907(Top 52%)10390(Top 65%)10390(Top 630%)
15K9.32 mi3.11 mi14696+21410285+8210285+8214318(Top 50%)10065(Top 62%)10065(Top 611%)
20K12.43 mi3.11 mi15014-31810378-9310378-9315893(Top 56%)10698(Top 66%)10698(Top 649%)
Half13.11 mi0.68 mi14940+7410339+3910339+3913541(Top 48%)9729(Top 60%)9729(Top 590%)
25K15.53 mi2.42 mi15066-12610372-3310372-3315567(Top 55%)10466(Top 65%)10466(Top 635%)
30K18.64 mi3.11 mi14852+21410215+15710215+15714111(Top 50%)9638(Top 60%)9638(Top 585%)
20M20.00 mi1.36 mi15899-104710643-42810643-42823227(Top 82%)13622(Top 85%)13622(Top 827%)
21M21.00 mi1.00 mi15934-3510623+2010623+2017094(Top 60%)10739(Top 67%)10739(Top 652%)
35K21.75 mi0.75 mi16175-24110709-8610709-8621371(Top 75%)12604(Top 78%)12604(Top 765%)
23M23.00 mi1.25 mi16489-31410818-10910818-10920558(Top 72%)12176(Top 76%)12176(Top 739%)
24M24.00 mi1.00 mi16581-9210832-1410832-1418162(Top 64%)10994(Top 68%)10994(Top 667%)
40K24.85 mi0.85 mi16773-19210869-3710869-3720168(Top 71%)11870(Top 74%)11870(Top 720%)
25.2M25.20 mi0.35 mi16974-20110941-7210941-7223367(Top 82%)13447(Top 83%)13447(Top 816%)
Finish26.22 mi1.02 mi17150-17611001-6011001-6020450(Top 72%)12025(Top 75%)12025(Top 730%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

14318

Males

10065

M55-59

10065

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

14907

Males

10390

M55-59

10390

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

14318

Males

10065

M55-59

10065

15K→20K

9.3 - 12.4 mi

Top 56%
×5story building
+106ft-86ft

Overall

15893

Males

10698

M55-59

10698

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

13541

Males

9729

M55-59

9729

Half→25K

13.1 - 15.5 mi

Top 55%
×4story building
+66ft-88ft

Overall

15567

Males

10466

M55-59

10466

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

14111

Males

9638

M55-59

9638

30K→20M

18.6 - 20.0 mi

Top 82%
×5story building
+64ft-50ft

Overall

23227

Males

13622

M55-59

13622

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

17094

Males

10739

M55-59

10739

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

21371

Males

12604

M55-59

12604

35K→23M

21.8 - 23.0 mi

Top 72%
×5story building
+23ft-63ft

Overall

20558

Males

12176

M55-59

12176

23M→24M

23.0 - 24.0 mi

Top 64%
×6story building
+12ft-82ft

Overall

18162

Males

10994

M55-59

10994

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

20168

Males

11870

M55-59

11870

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

23367

Males

13447

M55-59

13447

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

20450

Males

12025

M55-59

12025

Passing Analysis

Category:
Athletes Passed
1676
Passed By
3829
Net Change
-2153
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14997
5K → 10K332245+87#14997#14910
10K → 15K31096+214#14910#14696
15K → 20K144462-318#14696#15014
20K → Half8410+74#15014#14940
Half → 25K143269-126#14940#15066
25K → 30K352138+214#15066#14852
30K → 20M111058-1047#14852#15899
20M → 21M108143-35#15899#15934
21M → 35K20261-241#15934#16175
35K → 23M47361-314#16175#16489
23M → 24M47139-92#16489#16581
24M → 40K43235-192#16581#16773
40K → 25.2M6207-201#16773#16974
25.2M → Finish29205-176#16974#17150
TOTALS16763829-2153
📊

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