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BOSTON MARATHON 2025

Guybe Slangen

Bib: 10015•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 25%
Gender (Male)
#0 / 16105
Top 37%
Masters (Masters Men)
#0 / 10463
Top 24%
Division (M50-54)
#0 / 1996
Top 20%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:21
Rank: #9388
Start → 5K
22:21 | 7:12/mi
10K· 6.21 mi
43:46
Rank: #8193 (+1195)
5K → 10K
21:25 | 6:54/mi
15K· 9.32 mi
1:05:14
Rank: #7742 (+451)
10K → 15K
21:28 | 6:55/mi
20K· 12.43 mi
1:26:57
Rank: #7480 (+262)
15K → 20K
21:43 | 6:59/mi
Half· 13.11 mi
1:31:42
Rank: #7459 (+21)
20K → Half
4:45 | 6:58/mi
25K· 15.53 mi
1:48:55
Rank: #7337 (+122)
Half → 25K
17:13 | 7:06/mi
30K· 18.64 mi
2:12:21
Rank: #7353 (-16)
25K → 30K
23:26 | 7:33/mi
20M
2:22:47
Rank: #7324 (+29)
30K → 20M
10:26 | 7:41/mi
21M
2:30:54
Rank: #7299 (+25)
20M → 21M
8:07 | 8:07/mi
35K· 21.75 mi
2:36:21
Rank: #7244 (+55)
21M → 35K
5:27 | 7:17/mi
23M
2:45:50
Rank: #7166 (+78)
35K → 23M
9:29 | 7:34/mi
24M
2:53:15
Rank: #7127 (+39)
23M → 24M
7:25 | 7:25/mi
40K· 24.85 mi
2:59:49
Rank: #7122 (+5)
24M → 40K
6:34 | 7:41/mi
25.2M
3:02:44
Rank: #7113 (+9)
40K → 25.2M
2:55 | 8:27/mi
Finish· 26.22 mi
3:09:54
Rank: #7036 (+77)
25.2M → Finish
7:10 | 7:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:42
Pace7:00 /mi
2nd Half
Distance13.11 mi
Time1:38:12
Pace7:29 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:1122:217:1222:21
7:12
-
10K
6.21 mi11:09:3643:467:0321:25
6:54
-0:18
15K
9.32 mi11:31:041:05:147:0021:28
6:55
+0:01
20K
12.43 mi11:52:471:26:577:0021:43
6:59
+0:04
Half
13.11 mi11:57:321:31:427:004:45
6:58
-0:01
25K
15.53 mi12:14:451:48:557:0117:13
7:06
+0:08
30K
18.64 mi12:38:112:12:217:0623:26
7:33
+0:27
20M
20.00 mi12:48:372:22:477:0810:26
7:41
+0:08
21M
21.00 mi12:56:442:30:547:118:07
8:07
+0:26
35K
21.75 mi13:02:112:36:217:115:27
7:17
-0:50
23M
23.00 mi13:11:402:45:507:139:29
7:34
+0:17
24M
24.00 mi13:19:052:53:157:137:25
7:25
-0:09
40K
24.85 mi13:25:392:59:497:146:34
7:41
+0:16
25.2M
25.20 mi13:28:343:02:447:152:55
8:27
+0:46
Finish
26.22 mi13:35:443:09:547:157:10
7:02
-1:25

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

6:54 /mi

Average Pace

7:15 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:16:31

40% of race

Time at Steady Pace

52:26

28% of race

Time at Slower Pace

1:00:57

32% of race

Average Pace: 7:15 /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 mi10:48:1122:217:1222:21
7:12
#9388
10K
6.21 mi11:09:3643:467:0321:25
6:54
#8193
15K
9.32 mi11:31:041:05:147:0021:28
6:55
#7742
20K
12.43 mi11:52:471:26:577:0021:43
6:59
#7480
Half
13.11 mi11:57:321:31:427:004:45
6:58
#7459
25K
15.53 mi12:14:451:48:557:0117:13
7:06
#7337
30K
18.64 mi12:38:112:12:217:0623:26
7:33
#7353
20M
20.00 mi12:48:372:22:477:0810:26
7:41
#7324
21M
21.00 mi12:56:442:30:547:118:07
8:07
#7299
35K
21.75 mi13:02:112:36:217:115:27
7:17
#7244
23M
23.00 mi13:11:402:45:507:139:29
7:34
#7166
24M
24.00 mi13:19:052:53:157:137:25
7:25
#7127
40K
24.85 mi13:25:392:59:497:146:34
7:41
#7122
25.2M
25.20 mi13:28:343:02:447:152:55
8:27
#7113
Finish
26.22 mi13:35:443:09:547:157:10
7:02
#7036
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi9388781678167012(Top 25%)6255(Top 39%)6255(Top 313%)
10K6.21 mi3.10 mi8193+11957106+7107106+7107174(Top 25%)6411(Top 40%)6411(Top 321%)
15K9.32 mi3.11 mi7742+4516811+2956811+2957012(Top 25%)6255(Top 39%)6255(Top 313%)
20K12.43 mi3.11 mi7480+2626616+1956616+1956809(Top 24%)6062(Top 38%)6062(Top 304%)
Half13.11 mi0.68 mi7459+216600+166600+167248(Top 26%)6390(Top 40%)6390(Top 320%)
25K15.53 mi2.42 mi7337+1226497+1036497+1036967(Top 25%)6092(Top 38%)6092(Top 305%)
30K18.64 mi3.11 mi7353-166463+346463+348021(Top 28%)6598(Top 41%)6598(Top 331%)
20M20.00 mi1.36 mi7324+296409+546409+548171(Top 29%)6539(Top 41%)6539(Top 328%)
21M21.00 mi1.00 mi7299+256360+496360+498013(Top 28%)6248(Top 39%)6248(Top 313%)
35K21.75 mi0.75 mi7244+556297+636297+637092(Top 25%)5744(Top 36%)5744(Top 288%)
23M23.00 mi1.25 mi7166+786203+946203+947052(Top 25%)5605(Top 35%)5605(Top 281%)
24M24.00 mi1.00 mi7127+396148+556148+557110(Top 25%)5585(Top 35%)5585(Top 280%)
40K24.85 mi0.85 mi7122+56116+326116+327911(Top 28%)5931(Top 37%)5931(Top 297%)
25.2M25.20 mi0.35 mi7113+96096+206096+208450(Top 30%)6135(Top 38%)6135(Top 307%)
Finish26.22 mi1.02 mi7036+776016+806016+805922(Top 21%)4680(Top 29%)4680(Top 234%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

7012

Males

6255

M50-54

6255

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

7174

Males

6411

M50-54

6411

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

7012

Males

6255

M50-54

6255

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6809

Males

6062

M50-54

6062

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

7248

Males

6390

M50-54

6390

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

6967

Males

6092

M50-54

6092

25K→30K

15.5 - 18.6 mi

Top 28%
×9stories
+181ft-148ft

Overall

8021

Males

6598

M50-54

6598

30K→20M

18.6 - 20.0 mi

Top 29%
×5stories
+64ft-50ft

Overall

8171

Males

6539

M50-54

6539

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

8013

Males

6248

M50-54

6248

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

7092

Males

5744

M50-54

5744

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

7052

Males

5605

M50-54

5605

23M→24M

23.0 - 24.0 mi

Top 25%
×6stories
+12ft-82ft

Overall

7110

Males

5585

M50-54

5585

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7911

Males

5931

M50-54

5931

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8450

Males

6135

M50-54

6135

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

5922

Males

4680

M50-54

4680

Passing Analysis

Category:
Athletes Passed
3023
Passed By
671
Net Change
+2352
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9388
5K → 10K12038+1195#9388#8193
10K → 15K46312+451#8193#7742
15K → 20K29432+262#7742#7480
20K → Half3615+21#7480#7459
Half → 25K16543+122#7459#7337
25K → 30K170186-16#7337#7353
30K → 20M11485+29#7353#7324
20M → 21M8964+25#7324#7299
21M → 35K7419+55#7299#7244
35K → 23M13153+78#7244#7166
23M → 24M8041+39#7166#7127
24M → 40K6459+5#7127#7122
40K → 25.2M3223+9#7122#7113
25.2M → Finish10831+77#7113#7036
TOTALS3023671+2352
📊

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