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BOSTON MARATHON 2025

Stephen Sandberg

Bib: 7650•M

MN

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 17%
Gender (Male)
#0 / 16105
Top 27%
Masters (Masters Men)
#0 / 10463
Top 13%
Division (M45-49)
#0 / 2386
Top 17%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:46
Rank: #5292
Start → 5K
20:46 | 6:41/mi
10K· 6.21 mi
41:45
Rank: #5544 (-252)
5K → 10K
20:59 | 6:45/mi
15K· 9.32 mi
1:02:55
Rank: #5696 (-152)
10K → 15K
21:10 | 6:49/mi
20K· 12.43 mi
1:24:13
Rank: #5725 (-29)
15K → 20K
21:18 | 6:51/mi
Half· 13.11 mi
1:28:48
Rank: #5711 (+14)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:45:23
Rank: #5570 (+141)
Half → 25K
16:35 | 6:50/mi
30K· 18.64 mi
2:07:01
Rank: #5280 (+290)
25K → 30K
21:38 | 6:58/mi
20M
2:16:28
Rank: #5125 (+155)
30K → 20M
9:27 | 6:57/mi
21M
2:23:45
Rank: #4984 (+141)
20M → 21M
7:17 | 7:17/mi
35K· 21.75 mi
2:28:44
Rank: #4879 (+105)
21M → 35K
4:59 | 6:40/mi
23M
2:37:30
Rank: #4765 (+114)
35K → 23M
8:46 | 7:00/mi
24M
2:44:29
Rank: #4746 (+19)
23M → 24M
6:59 | 6:59/mi
40K· 24.85 mi
2:50:27
Rank: #4684 (+62)
24M → 40K
5:58 | 6:59/mi
25.2M
2:53:08
Rank: #4676 (+8)
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
3:00:10
Rank: #4725 (-49)
25.2M → Finish
7:02 | 6:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:48
Pace6:46 /mi
2nd Half
Distance13.11 mi
Time1:31:22
Pace6:58 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:0220:466:4120:46
6:41
-
10K
6.21 mi10:50:0141:456:4320:59
6:45
+0:04
15K
9.32 mi11:11:111:02:556:4521:10
6:49
+0:04
20K
12.43 mi11:32:291:24:136:4721:18
6:51
+0:02
Half
13.11 mi11:37:041:28:486:464:35
6:43
-0:08
25K
15.53 mi11:53:391:45:236:4716:35
6:50
+0:07
30K
18.64 mi12:15:172:07:016:4921:38
6:58
+0:08
20M
20.00 mi12:24:442:16:286:499:27
6:57
-0:01
21M
21.00 mi12:32:012:23:456:517:17
7:17
+0:20
35K
21.75 mi12:37:002:28:446:504:59
6:40
-0:37
23M
23.00 mi12:45:462:37:306:518:46
7:00
+0:20
24M
24.00 mi12:52:452:44:296:516:59
6:59
-0:01
40K
24.85 mi12:58:432:50:276:515:58
6:59
0:00
25.2M
25.20 mi13:01:242:53:086:522:41
7:47
+0:48
Finish
26.22 mi13:08:263:00:106:537:02
6:54
-0:53

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

6:40 /mi

Average Pace

6:53 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:29

99% of race

Time at Steady Pace

2:41

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:52 /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 mi10:29:0220:466:4120:46
6:41
#5292
10K
6.21 mi10:50:0141:456:4320:59
6:45
#5544
15K
9.32 mi11:11:111:02:556:4521:10
6:49
#5696
20K
12.43 mi11:32:291:24:136:4721:18
6:51
#5725
Half
13.11 mi11:37:041:28:486:464:35
6:43
#5711
25K
15.53 mi11:53:391:45:236:4716:35
6:50
#5570
30K
18.64 mi12:15:172:07:016:4921:38
6:58
#5280
20M
20.00 mi12:24:442:16:286:499:27
6:57
#5125
21M
21.00 mi12:32:012:23:456:517:17
7:17
#4984
35K
21.75 mi12:37:002:28:446:504:59
6:40
#4879
23M
23.00 mi12:45:462:37:306:518:46
7:00
#4765
24M
24.00 mi12:52:452:44:296:516:59
6:59
#4746
40K
24.85 mi12:58:432:50:276:515:58
6:59
#4684
25.2M
25.20 mi13:01:242:53:086:522:41
7:47
#4676
Finish
26.22 mi13:08:263:00:106:537:02
6:54
#4725
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi5292492349236185(Top 22%)5606(Top 35%)5606(Top 235%)
10K6.21 mi3.10 mi5544-2525124-2015124-2015864(Top 21%)5365(Top 33%)5365(Top 225%)
15K9.32 mi3.11 mi5696-1525247-1235247-1236185(Top 22%)5606(Top 35%)5606(Top 235%)
20K12.43 mi3.11 mi5725-295255-85255-85808(Top 20%)5278(Top 33%)5278(Top 221%)
Half13.11 mi0.68 mi5711+145241+145241+145363(Top 19%)4918(Top 31%)4918(Top 206%)
25K15.53 mi2.42 mi5570+1415117+1245117+1245176(Top 18%)4742(Top 29%)4742(Top 199%)
30K18.64 mi3.11 mi5280+2904852+2654852+2654465(Top 16%)4083(Top 25%)4083(Top 171%)
20M20.00 mi1.36 mi5125+1554711+1414711+1413825(Top 13%)3518(Top 22%)3518(Top 147%)
21M21.00 mi1.00 mi4984+1414590+1214590+1213539(Top 12%)3238(Top 20%)3238(Top 136%)
35K21.75 mi0.75 mi4879+1054493+974493+973278(Top 12%)2994(Top 19%)2994(Top 125%)
23M23.00 mi1.25 mi4765+1144383+1104383+1103761(Top 13%)3384(Top 21%)3384(Top 142%)
24M24.00 mi1.00 mi4746+194361+224361+224514(Top 16%)3907(Top 24%)3907(Top 164%)
40K24.85 mi0.85 mi4684+624301+604301+603748(Top 13%)3293(Top 20%)3293(Top 138%)
25.2M25.20 mi0.35 mi4676+84288+134288+134704(Top 17%)3902(Top 24%)3902(Top 164%)
Finish26.22 mi1.02 mi4725-494324-364324-365068(Top 18%)4156(Top 26%)4156(Top 174%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

6185

Males

5606

M45-49

5606

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5864

Males

5365

M45-49

5365

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

6185

Males

5606

M45-49

5606

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5808

Males

5278

M45-49

5278

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5363

Males

4918

M45-49

4918

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

5176

Males

4742

M45-49

4742

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4465

Males

4083

M45-49

4083

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3825

Males

3518

M45-49

3518

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3539

Males

3238

M45-49

3238

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3278

Males

2994

M45-49

2994

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3761

Males

3384

M45-49

3384

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4514

Males

3907

M45-49

3907

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3748

Males

3293

M45-49

3293

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4704

Males

3902

M45-49

3902

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

5068

Males

4156

M45-49

4156

Passing Analysis

Category:
Athletes Passed
1609
Passed By
1042
Net Change
+567
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5292
5K → 10K83335-252#5292#5544
10K → 15K83235-152#5544#5696
15K → 20K126155-29#5696#5725
20K → Half3016+14#5725#5711
Half → 25K18241+141#5711#5570
25K → 30K32939+290#5570#5280
30K → 20M1627+155#5280#5125
20M → 21M15918+141#5125#4984
21M → 35K1149+105#4984#4879
35K → 23M13723+114#4879#4765
23M → 24M6445+19#4765#4746
24M → 40K8826+62#4746#4684
40K → 25.2M3123+8#4684#4676
25.2M → Finish2170-49#4676#4725
TOTALS16091042+567
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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