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BOSTON MARATHON 2025

Lee Sprung

Bib: 14811•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

Start
0:00:00
Race begins
5K· 3.11 mi
25:20
Rank: #17765
Start → 5K
8:09/mi
25:20 split
10K· 6.21 mi
51:23
Rank: #18428 (-663)
5K → 10K
8:23/mi
26:03 split
15K· 9.32 mi
1:17:13
Rank: #18309 (+119)
10K → 15K
8:19/mi
25:50 split
20K· 12.43 mi
1:43:47
Rank: #18319 (-10)
15K → 20K
8:33/mi
26:34 split
Half· 13.11 mi
1:49:40
Rank: #18409 (-90)
20K → Half
8:37/mi
5:53 split
25K· 15.53 mi
2:11:53
Rank: #18849 (-440)
Half → 25K
9:10/mi
22:13 split
30K· 18.64 mi
2:43:18
Rank: #19650 (-801)
25K → 30K
10:07/mi
31:25 split
20M
2:56:54
Rank: #19807 (-157)
30K → 20M
10:00/mi
13:36 split
21M
3:08:06
Rank: #19978 (-171)
20M → 21M
11:12/mi
11:12 split
35K· 21.75 mi
3:15:41
Rank: #20108 (-130)
21M → 35K
10:08/mi
7:35 split
23M
3:28:40
Rank: #20248 (-140)
35K → 23M
10:22/mi
12:59 split
24M
3:39:07
Rank: #20424 (-176)
23M → 24M
10:27/mi
10:27 split
40K· 24.85 mi
3:48:15
Rank: #20551 (-127)
24M → 40K
10:41/mi
9:08 split
25.2M
3:52:21
Rank: #20615 (-64)
40K → 25.2M
11:53/mi
4:06 split
Finish· 26.22 mi
4:02:13
Rank: #20662 (-47)
25.2M → Finish
9:41/mi
9:52 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:40
Pace8:22 /mi
2nd Half
Distance13.11 mi
Time2:12:33
Pace10:07 /mi
📊Positive Split: 20.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:0325:208:0925:20
8:09
-
10K
6.21 mi11:23:0651:238:1626:03
8:23
+0:14
15K
9.32 mi11:48:561:17:138:1725:50
8:19
-0:04
20K
12.43 mi12:15:301:43:478:2126:34
8:33
+0:14
Half
13.11 mi12:21:231:49:408:225:53
8:37
+0:04
25K
15.53 mi12:43:362:11:538:2922:13
9:10
+0:33
30K
18.64 mi13:15:012:43:188:4631:25
10:07
+0:57
20M
20.00 mi13:28:372:56:548:5113:36
10:00
-0:07
21M
21.00 mi13:39:493:08:068:5711:12
11:12
+1:12
35K
21.75 mi13:47:243:15:419:007:35
10:08
-1:04
23M
23.00 mi14:00:233:28:409:0412:59
10:22
+0:14
24M
24.00 mi14:10:503:39:079:0810:27
10:27
+0:05
40K
24.85 mi14:19:583:48:159:119:08
10:41
+0:14
25.2M
25.20 mi14:24:043:52:219:134:06
11:53
+1:12
Finish
26.22 mi14:33:564:02:139:159:52
9:41
-2:12

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

8:09 /mi

Average Pace

9:15 /mi

Slowest Pace

11:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:53

54% of race

Time at Steady Pace

1:25:54

35% of race

Time at Slower Pace

24:26

10% of race

Average Pace: 9:14 /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 mi10:57:0325:208:0925:20
8:09
#17765
10K
6.21 mi11:23:0651:238:1626:03
8:23
#18428
15K
9.32 mi11:48:561:17:138:1725:50
8:19
#18309
20K
12.43 mi12:15:301:43:478:2126:34
8:33
#18319
Half
13.11 mi12:21:231:49:408:225:53
8:37
#18409
25K
15.53 mi12:43:362:11:538:2922:13
9:10
#18849
30K
18.64 mi13:15:012:43:188:4631:25
10:07
#19650
20M
20.00 mi13:28:372:56:548:5113:36
10:00
#19807
21M
21.00 mi13:39:493:08:068:5711:12
11:12
#19978
35K
21.75 mi13:47:243:15:419:007:35
10:08
#20108
23M
23.00 mi14:00:233:28:409:0412:59
10:22
#20248
24M
24.00 mi14:10:503:39:079:0810:27
10:27
#20424
40K
24.85 mi14:19:583:48:159:119:08
10:41
#20551
25.2M
25.20 mi14:24:043:52:219:134:06
11:53
#20615
Finish
26.22 mi14:33:564:02:139:159:52
9:41
#20662
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi17765115171151718158(Top 64%)11697(Top 73%)11697(Top 586%)
10K6.21 mi3.10 mi18428-66311802-28511802-28519092(Top 67%)12103(Top 75%)12103(Top 606%)
15K9.32 mi3.11 mi18309+11911742+6011742+6018158(Top 64%)11697(Top 73%)11697(Top 586%)
20K12.43 mi3.11 mi18319-1011746-411746-418547(Top 65%)11847(Top 74%)11847(Top 594%)
Half13.11 mi0.68 mi18409-9011790-4411790-4419912(Top 70%)12439(Top 77%)12439(Top 623%)
25K15.53 mi2.42 mi18849-44011970-18011970-18020610(Top 73%)12675(Top 79%)12675(Top 635%)
30K18.64 mi3.11 mi19650-80112271-30112271-30121935(Top 77%)13130(Top 82%)13130(Top 658%)
20M20.00 mi1.36 mi19807-15712315-4412315-4420952(Top 74%)12563(Top 78%)12563(Top 629%)
21M21.00 mi1.00 mi19978-17112365-5012365-5021897(Top 77%)12926(Top 80%)12926(Top 648%)
35K21.75 mi0.75 mi20108-13012403-3812403-3822258(Top 78%)13035(Top 81%)13035(Top 653%)
23M23.00 mi1.25 mi20248-14012435-3212435-3221623(Top 76%)12683(Top 79%)12683(Top 635%)
24M24.00 mi1.00 mi20424-17612507-7212507-7222670(Top 80%)13140(Top 82%)13140(Top 658%)
40K24.85 mi0.85 mi20551-12712546-3912546-3922375(Top 79%)12918(Top 80%)12918(Top 647%)
25.2M25.20 mi0.35 mi20615-6412564-1812564-1822968(Top 81%)13262(Top 82%)13262(Top 664%)
Finish26.22 mi1.02 mi20662-4712573-912573-921841(Top 77%)12705(Top 79%)12705(Top 637%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21story building
+97ft-345ft

Overall

18158

Males

11697

M50-54

11697

5K→10K

3.1 - 6.2 mi

Top 67%
×5story building
+79ft-138ft

Overall

19092

Males

12103

M50-54

12103

10K→15K

6.2 - 9.3 mi

Top 64%
×3story building
+67ft-78ft

Overall

18158

Males

11697

M50-54

11697

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

18547

Males

11847

M50-54

11847

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

19912

Males

12439

M50-54

12439

Half→25K

13.1 - 15.5 mi

Top 73%
×4story building
+66ft-88ft

Overall

20610

Males

12675

M50-54

12675

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

21935

Males

13130

M50-54

13130

30K→20M

18.6 - 20.0 mi

Top 74%
×5story building
+64ft-50ft

Overall

20952

Males

12563

M50-54

12563

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

21897

Males

12926

M50-54

12926

21M→35K

21.0 - 21.8 mi

Top 78%
×7story building
+17ft-86ft

Overall

22258

Males

13035

M50-54

13035

35K→23M

21.8 - 23.0 mi

Top 76%
×5story building
+23ft-63ft

Overall

21623

Males

12683

M50-54

12683

23M→24M

23.0 - 24.0 mi

Top 80%
×6story building
+12ft-82ft

Overall

22670

Males

13140

M50-54

13140

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

22375

Males

12918

M50-54

12918

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

22968

Males

13262

M50-54

13262

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

21841

Males

12705

M50-54

12705

Passing Analysis

Category:
Athletes Passed
950
Passed By
3847
Net Change
-2897
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17765
5K → 10K83746-663#17765#18428
10K → 15K253134+119#18428#18309
15K → 20K189199-10#18309#18319
20K → Half13103-90#18319#18409
Half → 25K74514-440#18409#18849
25K → 30K64865-801#18849#19650
30K → 20M62219-157#19650#19807
20M → 21M49220-171#19807#19978
21M → 35K28158-130#19978#20108
35K → 23M51191-140#20108#20248
23M → 24M14190-176#20248#20424
24M → 40K32159-127#20424#20551
40K → 25.2M973-64#20551#20615
25.2M → Finish2976-47#20615#20662
TOTALS9503847-2897
📊

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