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BOSTON MARATHON 2025

Dennis Jung

Bib: 28726•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 25%
Gender (Male)
#0 / 16105
Top 38%
Masters (Masters Men)
#0 / 10463
Top 24%
Division (M45-49)
#0 / 2386
Top 33%
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
7:01/mi
21:48
↑ 97↓ 3451.5%
10K· 6.21 mi
6:54/mi
43:14
↑ 79↓ 1380.4%
15K· 9.32 mi
7:02/mi
1:05:04
↑ 67↓ 78
20K· 12.43 mi
7:07/mi
1:27:12
↑ 106↓ 860.1%
Half· 13.11 mi
6:56/mi
1:31:56
↑ 19↓ 370.5%
25K· 15.53 mi
7:12/mi
1:49:24
↑ 66↓ 880.2%
30K· 18.64 mi
7:34/mi
2:12:54
↑ 181↓ 1480.2%
20M
7:34/mi
2:23:11
↑ 64↓ 500.2%
21M
8:02/mi
2:31:13
↑ 106↓ 241.6%
35K· 21.75 mi
7:12/mi
2:36:36
↑ 17↓ 861.7%
23M
7:36/mi
2:46:07
↑ 23↓ 630.6%
24M
7:14/mi
2:53:21
↓ 821.3%
40K· 24.85 mi
7:31/mi
2:59:47
↓ 200.3%
25.2M
8:22/mi
3:02:40
↑ 13↓ 160.2%
Finish· 26.22 mi
7:17/mi
3:10:05
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:56
Pace7:01 /mi
2nd Half
Distance13.11 mi
Time1:38:09
Pace7:29 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:38:2121:487:0121:48
7:01
-
10K
6.21 mi11:59:4743:146:5721:26
6:54
-0:07
15K
9.32 mi12:21:371:05:046:5921:50
7:02
+0:08
20K
12.43 mi12:43:451:27:127:0122:08
7:07
+0:05
Half
13.11 mi12:48:291:31:567:014:44
6:56
-0:11
25K
15.53 mi13:05:571:49:247:0317:28
7:12
+0:16
30K
18.64 mi13:29:272:12:547:0823:30
7:34
+0:22
20M
20.00 mi13:39:442:23:117:1010:17
7:34
0:00
21M
21.00 mi13:47:462:31:137:128:02
8:02
+0:28
35K
21.75 mi13:53:092:36:367:125:23
7:12
-0:50
23M
23.00 mi14:02:402:46:077:139:31
7:36
+0:24
24M
24.00 mi14:09:542:53:217:137:14
7:14
-0:22
40K
24.85 mi14:16:202:59:477:146:26
7:31
+0:17
25.2M
25.20 mi14:19:133:02:407:152:53
8:22
+0:51
Finish
26.22 mi14:26:383:10:057:157:25
7:17
-1:05

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

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:09:48

37% of race

Time at Steady Pace

59:38

31% of race

Time at Slower Pace

1:00:39

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 mi11:38:2121:487:0121:48
7:01
#7942
10K
6.21 mi11:59:4743:146:5721:26
6:54
#7565
15K
9.32 mi12:21:371:05:046:5921:50
7:02
#7624
20K
12.43 mi12:43:451:27:127:0122:08
7:07
#7595
Half
13.11 mi12:48:291:31:567:014:44
6:56
#7571
25K
15.53 mi13:05:571:49:247:0317:28
7:12
#7534
30K
18.64 mi13:29:272:12:547:0823:30
7:34
#7539
20M
20.00 mi13:39:442:23:117:1010:17
7:34
#7444
21M
21.00 mi13:47:462:31:137:128:02
8:02
#7387
35K
21.75 mi13:53:092:36:367:125:23
7:12
#7313
23M
23.00 mi14:02:402:46:077:139:31
7:36
#7256
24M
24.00 mi14:09:542:53:217:137:14
7:14
#7152
40K
24.85 mi14:16:202:59:477:146:26
7:31
#7109
25.2M
25.20 mi14:19:133:02:407:152:53
8:22
#7097
Finish
26.22 mi14:26:383:10:057:157:25
7:17
#7087
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi7942695969597800(Top 27%)6808(Top 42%)6808(Top 285%)
10K6.21 mi3.10 mi7565+3776698+2616698+2617220(Top 25%)6448(Top 40%)6448(Top 270%)
15K9.32 mi3.11 mi7624-596723-256723-257800(Top 27%)6808(Top 42%)6808(Top 285%)
20K12.43 mi3.11 mi7595+296693+306693+307651(Top 27%)6642(Top 41%)6642(Top 278%)
Half13.11 mi0.68 mi7571+246672+216672+217111(Top 25%)6288(Top 39%)6288(Top 264%)
25K15.53 mi2.42 mi7534+376630+426630+427629(Top 27%)6524(Top 41%)6524(Top 273%)
30K18.64 mi3.11 mi7539-56594+366594+368160(Top 29%)6677(Top 41%)6677(Top 280%)
20M20.00 mi1.36 mi7444+956489+1056489+1057436(Top 26%)6096(Top 38%)6096(Top 255%)
21M21.00 mi1.00 mi7387+576415+746415+747498(Top 26%)5963(Top 37%)5963(Top 250%)
35K21.75 mi0.75 mi7313+746339+766339+766534(Top 23%)5400(Top 34%)5400(Top 226%)
23M23.00 mi1.25 mi7256+576260+796260+797229(Top 25%)5709(Top 35%)5709(Top 239%)
24M24.00 mi1.00 mi7152+1046164+966164+966004(Top 21%)4918(Top 31%)4918(Top 206%)
40K24.85 mi0.85 mi7109+436107+576107+576907(Top 24%)5362(Top 33%)5362(Top 225%)
25.2M25.20 mi0.35 mi7097+126086+216086+217883(Top 28%)5824(Top 36%)5824(Top 244%)
Finish26.22 mi1.02 mi7087+106053+336053+337581(Top 27%)5661(Top 35%)5661(Top 237%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21story building
+97ft-345ft

Overall

7800

Males

6808

M45-49

6808

5K→10K

3.1 - 6.2 mi

Top 25%
×5story building
+79ft-138ft

Overall

7220

Males

6448

M45-49

6448

10K→15K

6.2 - 9.3 mi

Top 27%
×3story building
+67ft-78ft

Overall

7800

Males

6808

M45-49

6808

15K→20K

9.3 - 12.4 mi

Top 27%
×5story building
+106ft-86ft

Overall

7651

Males

6642

M45-49

6642

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

7111

Males

6288

M45-49

6288

Half→25K

13.1 - 15.5 mi

Top 27%
×4story building
+66ft-88ft

Overall

7629

Males

6524

M45-49

6524

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

8160

Males

6677

M45-49

6677

30K→20M

18.6 - 20.0 mi

Top 26%
×5story building
+64ft-50ft

Overall

7436

Males

6096

M45-49

6096

20M→21M

20.0 - 21.0 mi

Top 26%
×8story building
+106ft-24ft

Overall

7498

Males

5963

M45-49

5963

21M→35K

21.0 - 21.8 mi

Top 23%
×7story building
+17ft-86ft

Overall

6534

Males

5400

M45-49

5400

35K→23M

21.8 - 23.0 mi

Top 25%
×5story building
+23ft-63ft

Overall

7229

Males

5709

M45-49

5709

23M→24M

23.0 - 24.0 mi

Top 21%
×6story building
+12ft-82ft

Overall

6004

Males

4918

M45-49

4918

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6907

Males

5362

M45-49

5362

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7883

Males

5824

M45-49

5824

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

7581

Males

5661

M45-49

5661

Passing Analysis

Category:
Athletes Passed
1815
Passed By
960
Net Change
+855
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7942
5K → 10K44164+377#7942#7565
10K → 15K117176-59#7565#7624
15K → 20K145116+29#7624#7595
20K → Half328+24#7595#7571
Half → 25K12992+37#7571#7534
25K → 30K179184-5#7534#7539
30K → 20M14550+95#7539#7444
20M → 21M10346+57#7444#7387
21M → 35K9218+74#7387#7313
35K → 23M11760+57#7313#7256
23M → 24M12723+104#7256#7152
24M → 40K8037+43#7152#7109
40K → 25.2M3220+12#7109#7097
25.2M → Finish7666+10#7097#7087
TOTALS1815960+855
📊

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