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BOSTON MARATHON 2025

Ingmar Lundstroem

Bib: 31934•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M50-54)
#0 / 1996
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
8:02/mi
24:59
↑ 97↓ 3451.5%
10K· 6.21 mi
7:41/mi
48:50
↑ 79↓ 1380.4%
15K· 9.32 mi
7:46/mi
1:12:58
↑ 67↓ 78
20K· 12.43 mi
7:47/mi
1:37:09
↑ 106↓ 860.1%
Half· 13.11 mi
7:34/mi
1:42:19
↑ 19↓ 370.5%
25K· 15.53 mi
7:48/mi
2:01:13
↑ 66↓ 880.2%
30K· 18.64 mi
8:17/mi
2:26:57
↑ 181↓ 1480.2%
20M
8:33/mi
2:38:34
↑ 64↓ 500.2%
21M
9:26/mi
2:48:00
↑ 106↓ 241.6%
35K· 21.75 mi
8:09/mi
2:54:06
↑ 17↓ 861.7%
23M
8:50/mi
3:05:10
↑ 23↓ 630.6%
24M
9:04/mi
3:14:14
↓ 821.3%
40K· 24.85 mi
9:02/mi
3:21:57
↓ 200.3%
25.2M
9:54/mi
3:25:22
↑ 13↓ 160.2%
Finish· 26.22 mi
9:18/mi
3:34:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:19
Pace7:48 /mi
2nd Half
Distance13.11 mi
Time1:52:32
Pace8:35 /mi
📊Positive Split: 10.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:3024:598:0224:59
8:02
-
10K
6.21 mi12:14:2148:507:5223:51
7:41
-0:21
15K
9.32 mi12:38:291:12:587:5024:08
7:46
+0:05
20K
12.43 mi13:02:401:37:097:4924:11
7:47
+0:01
Half
13.11 mi13:07:501:42:197:485:10
7:34
-0:13
25K
15.53 mi13:26:442:01:137:4818:54
7:48
+0:14
30K
18.64 mi13:52:282:26:577:5325:44
8:17
+0:29
20M
20.00 mi14:04:052:38:347:5611:37
8:33
+0:16
21M
21.00 mi14:13:312:48:008:009:26
9:26
+0:53
35K
21.75 mi14:19:372:54:068:006:06
8:09
-1:17
23M
23.00 mi14:30:413:05:108:0311:04
8:50
+0:41
24M
24.00 mi14:39:453:14:148:069:04
9:04
+0:14
40K
24.85 mi14:47:283:21:578:087:43
9:02
-0:02
25.2M
25.20 mi14:50:533:25:228:093:25
9:54
+0:52
Finish
26.22 mi15:00:223:34:518:129:29
9:18
-0:36

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

7:34 /mi

Average Pace

8:12 /mi

Slowest Pace

9:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:14

45% of race

Time at Steady Pace

1:08:26

32% of race

Time at Slower Pace

50:11

23% of race

Average Pace: 8:12 /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 mi11:50:3024:598:0224:59
8:02
#16901
10K
6.21 mi12:14:2148:507:5223:51
7:41
#15317
15K
9.32 mi12:38:291:12:587:5024:08
7:46
#14880
20K
12.43 mi13:02:401:37:097:4924:11
7:47
#14398
Half
13.11 mi13:07:501:42:197:485:10
7:34
#14281
25K
15.53 mi13:26:442:01:137:4818:54
7:48
#13921
30K
18.64 mi13:52:282:26:577:5325:44
8:17
#13742
20M
20.00 mi14:04:052:38:347:5611:37
8:33
#13744
21M
21.00 mi14:13:312:48:008:009:26
9:26
#13856
35K
21.75 mi14:19:372:54:068:006:06
8:09
#13817
23M
23.00 mi14:30:413:05:108:0311:04
8:50
#13937
24M
24.00 mi14:39:453:14:148:069:04
9:04
#14147
40K
24.85 mi14:47:283:21:578:087:43
9:02
#14226
25.2M
25.20 mi14:50:533:25:228:093:25
9:54
#14258
Finish
26.22 mi15:00:223:34:518:129:29
9:18
#14529
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi16901111631116314082(Top 50%)9976(Top 62%)9976(Top 500%)
10K6.21 mi3.10 mi15317+158410540+62310540+62313668(Top 48%)9869(Top 61%)9869(Top 494%)
15K9.32 mi3.11 mi14880+43710349+19110349+19114082(Top 50%)9976(Top 62%)9976(Top 500%)
20K12.43 mi3.11 mi14398+48210122+22710122+22713123(Top 46%)9477(Top 59%)9477(Top 475%)
Half13.11 mi0.68 mi14281+11710071+5110071+5112325(Top 43%)9180(Top 57%)9180(Top 460%)
25K15.53 mi2.42 mi13921+3609880+1919880+19112296(Top 43%)8995(Top 56%)8995(Top 451%)
30K18.64 mi3.11 mi13742+1799742+1389742+13813378(Top 47%)9305(Top 58%)9305(Top 466%)
20M20.00 mi1.36 mi13744-29719+239719+2314075(Top 50%)9485(Top 59%)9485(Top 475%)
21M21.00 mi1.00 mi13856-1129729-109729-1015764(Top 55%)10137(Top 63%)10137(Top 508%)
35K21.75 mi0.75 mi13817+399694+359694+3513286(Top 47%)8942(Top 56%)8942(Top 448%)
23M23.00 mi1.25 mi13937-1209707-139707-1315304(Top 54%)9766(Top 61%)9766(Top 489%)
24M24.00 mi1.00 mi14147-2109772-659772-6517667(Top 62%)10764(Top 67%)10764(Top 539%)
40K24.85 mi0.85 mi14226-799783-119783-1116423(Top 58%)10106(Top 63%)10106(Top 506%)
25.2M25.20 mi0.35 mi14258-329791-89791-816541(Top 58%)10134(Top 63%)10134(Top 508%)
Finish26.22 mi1.02 mi14529-2719876-859876-8520381(Top 72%)11992(Top 74%)11992(Top 601%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

14082

Males

9976

M50-54

9976

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

13668

Males

9869

M50-54

9869

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

14082

Males

9976

M50-54

9976

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

13123

Males

9477

M50-54

9477

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

12325

Males

9180

M50-54

9180

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

12296

Males

8995

M50-54

8995

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

13378

Males

9305

M50-54

9305

30K→20M

18.6 - 20.0 mi

Top 50%
×5story building
+64ft-50ft

Overall

14075

Males

9485

M50-54

9485

20M→21M

20.0 - 21.0 mi

Top 55%
×8story building
+106ft-24ft

Overall

15764

Males

10137

M50-54

10137

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

13286

Males

8942

M50-54

8942

35K→23M

21.8 - 23.0 mi

Top 54%
×5story building
+23ft-63ft

Overall

15304

Males

9766

M50-54

9766

23M→24M

23.0 - 24.0 mi

Top 62%
×6story building
+12ft-82ft

Overall

17667

Males

10764

M50-54

10764

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16423

Males

10106

M50-54

10106

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

16541

Males

10134

M50-54

10134

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

20381

Males

11992

M50-54

11992

Passing Analysis

Category:
Athletes Passed
3884
Passed By
1512
Net Change
+2372
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16901
5K → 10K160117+1584#16901#15317
10K → 15K48043+437#15317#14880
15K → 20K50321+482#14880#14398
20K → Half1192+117#14398#14281
Half → 25K38020+360#14281#13921
25K → 30K326147+179#13921#13742
30K → 20M120122-2#13742#13744
20M → 21M70182-112#13744#13856
21M → 35K7637+39#13856#13817
35K → 23M79199-120#13817#13937
23M → 24M37247-210#13937#14147
24M → 40K47126-79#14147#14226
40K → 25.2M2355-32#14226#14258
25.2M → Finish23294-271#14258#14529
TOTALS38841512+2372
📊

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