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BOSTON MARATHON 2025

Shaun Mcgivern

Bib: 30801•M

Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Age Group (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
29:49
Rank: #24541
Start → 5K
29:49 | 9:36/mi
10K· 6.21 mi
58:23
Rank: #23867 (+674)
5K → 10K
28:34 | 9:12/mi
15K· 9.32 mi
1:26:56
Rank: #23536 (+331)
10K → 15K
28:33 | 9:11/mi
20K· 12.43 mi
1:55:34
Rank: #23134 (+402)
15K → 20K
28:38 | 9:13/mi
Half· 13.11 mi
2:01:44
Rank: #23083 (+51)
20K → Half
6:10 | 9:02/mi
25K· 15.53 mi
2:24:05
Rank: #22701 (+382)
Half → 25K
22:21 | 9:13/mi
30K· 18.64 mi
2:52:35
Rank: #22004 (+697)
25K → 30K
28:30 | 9:10/mi
20M
3:04:48
Rank: #21641 (+363)
30K → 20M
12:13 | 8:59/mi
21M
3:15:10
Rank: #21511 (+130)
20M → 21M
10:22 | 10:22/mi
35K· 21.75 mi
3:22:21
Rank: #21481 (+30)
21M → 35K
7:11 | 9:36/mi
23M
3:34:32
Rank: #21339 (+142)
35K → 23M
12:11 | 9:44/mi
24M
3:43:40
Rank: #21205 (+134)
23M → 24M
9:08 | 9:08/mi
40K· 24.85 mi
3:51:31
Rank: #21065 (+140)
24M → 40K
7:51 | 9:11/mi
25.2M
3:54:55
Rank: #20982 (+83)
40K → 25.2M
3:24 | 9:52/mi
Finish· 26.22 mi
4:04:19
Rank: #20938 (+44)
25.2M → Finish
9:24 | 9:13/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via Half
Distance13.11 mi
Time2:01:44
Pace9:17 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:02:35
Pace9:21 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:4329:499:3629:49
9:36
-
10K
6.21 mi12:18:1758:239:2428:34
9:12
-0:24
15K
9.32 mi12:46:501:26:569:2028:33
9:11
-0:01
20K
12.43 mi13:15:281:55:349:1828:38
9:13
+0:02
Half
13.11 mi13:21:382:01:449:176:10
9:02
-0:11
25K
15.53 mi13:43:592:24:059:1722:21
9:13
+0:11
30K
18.64 mi14:12:292:52:359:1528:30
9:10
-0:03
20M
20.00 mi14:24:423:04:489:1412:13
8:59
-0:11
21M
21.00 mi14:35:043:15:109:1810:22
10:22
+1:23
35K
21.75 mi14:42:153:22:219:187:11
9:36
-0:46
23M
23.00 mi14:54:263:34:329:2012:11
9:44
+0:08
24M
24.00 mi15:03:343:43:409:199:08
9:08
-0:36
40K
24.85 mi15:11:253:51:319:197:51
9:11
+0:03
25.2M
25.20 mi15:14:493:54:559:193:24
9:52
+0:41
Finish
26.22 mi15:24:134:04:199:209:24
9:13
-0:39

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

8:59 /mi

Average Pace

9:20 /mi

Slowest Pace

10:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

3:53:57

96% of race

Time at Steady Pace

10:22

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:19 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:49:4329:499:3629:49
9:36
#24541
10K
6.21 mi12:18:1758:239:2428:34
9:12
#23867
15K
9.32 mi12:46:501:26:569:2028:33
9:11
#23536
20K
12.43 mi13:15:281:55:349:1828:38
9:13
#23134
Half
13.11 mi13:21:382:01:449:176:10
9:02
#23083
25K
15.53 mi13:43:592:24:059:1722:21
9:13
#22701
30K
18.64 mi14:12:292:52:359:1528:30
9:10
#22004
20M
20.00 mi14:24:423:04:489:1412:13
8:59
#21641
21M
21.00 mi14:35:043:15:109:1810:22
10:22
#21511
35K
21.75 mi14:42:153:22:219:187:11
9:36
#21481
23M
23.00 mi14:54:263:34:329:2012:11
9:44
#21339
24M
24.00 mi15:03:343:43:409:199:08
9:08
#21205
40K
24.85 mi15:11:253:51:319:197:51
9:11
#21065
25.2M
25.20 mi15:14:493:54:559:193:24
9:52
#20982
Finish
26.22 mi15:24:134:04:199:209:24
9:13
#20938
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi24541144991449922818(Top 80%)13748(Top 85%)13748(Top 576%)
10K6.21 mi3.10 mi23867+67414193+30614193+30623171(Top 82%)13884(Top 86%)13884(Top 582%)
15K9.32 mi3.11 mi23536+33114041+15214041+15222818(Top 80%)13748(Top 85%)13748(Top 576%)
20K12.43 mi3.11 mi23134+40213872+16913872+16921939(Top 77%)13331(Top 83%)13331(Top 559%)
Half13.11 mi0.68 mi23083+5113850+2213850+2221953(Top 77%)13312(Top 83%)13312(Top 558%)
25K15.53 mi2.42 mi22701+38213662+18813662+18820827(Top 73%)12778(Top 79%)12778(Top 536%)
30K18.64 mi3.11 mi22004+69713317+34513317+34518517(Top 65%)11627(Top 72%)11627(Top 487%)
20M20.00 mi1.36 mi21641+36313140+17713140+17716735(Top 59%)10705(Top 66%)10705(Top 449%)
21M21.00 mi1.00 mi21511+13013054+8613054+8619597(Top 69%)11868(Top 74%)11868(Top 497%)
35K21.75 mi0.75 mi21481+3013033+2113033+2120670(Top 73%)12282(Top 76%)12282(Top 515%)
23M23.00 mi1.25 mi21339+14212939+9412939+9419552(Top 69%)11694(Top 73%)11694(Top 490%)
24M24.00 mi1.00 mi21205+13412858+8112858+8118035(Top 63%)10946(Top 68%)10946(Top 459%)
40K24.85 mi0.85 mi21065+14012772+8612772+8617255(Top 61%)10495(Top 65%)10495(Top 440%)
25.2M25.20 mi0.35 mi20982+8312725+4712725+4716378(Top 58%)10088(Top 63%)10088(Top 423%)
Finish26.22 mi1.02 mi20938+4412687+3812687+3820048(Top 71%)11827(Top 73%)11827(Top 496%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21stories
+97ft-345ft

Overall

22818

Males

13748

M45-49

13748

5K→10K

3.1 - 6.2 mi

Top 82%
×5stories
+79ft-138ft

Overall

23171

Males

13884

M45-49

13884

10K→15K

6.2 - 9.3 mi

Top 80%
×3stories
+67ft-78ft

Overall

22818

Males

13748

M45-49

13748

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

21939

Males

13331

M45-49

13331

20K→Half

12.4 - 13.1 mi

Top 77%
×2stories
+19ft-37ft

Overall

21953

Males

13312

M45-49

13312

Half→25K

13.1 - 15.5 mi

Top 73%
×4stories
+66ft-88ft

Overall

20827

Males

12778

M45-49

12778

25K→30K

15.5 - 18.6 mi

Top 65%
×9stories
+181ft-148ft

Overall

18517

Males

11627

M45-49

11627

30K→20M

18.6 - 20.0 mi

Top 59%
×5stories
+64ft-50ft

Overall

16735

Males

10705

M45-49

10705

20M→21M

20.0 - 21.0 mi

Top 69%
×8stories
+106ft-24ft

Overall

19597

Males

11868

M45-49

11868

21M→35K

21.0 - 21.8 mi

Top 73%
×7stories
+17ft-86ft

Overall

20670

Males

12282

M45-49

12282

35K→23M

21.8 - 23.0 mi

Top 69%
×5stories
+23ft-63ft

Overall

19552

Males

11694

M45-49

11694

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

18035

Males

10946

M45-49

10946

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

17255

Males

10495

M45-49

10495

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

16378

Males

10088

M45-49

10088

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2stories
+22ft-21ft

Overall

20048

Males

11827

M45-49

11827

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3815
Passed By
212
Net Change
+3603
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24541
5K → 10K70935+674#24541#23867
10K → 15K36029+331#23867#23536
15K → 20K41513+402#23536#23134
20K → Half576+51#23134#23083
Half → 25K3886+382#23083#22701
25K → 30K7025+697#22701#22004
30K → 20M3641+363#22004#21641
20M → 21M14616+130#21641#21511
21M → 35K6535+30#21511#21481
35K → 23M17533+142#21481#21339
23M → 24M1417+134#21339#21205
24M → 40K1444+140#21205#21065
40K → 25.2M841+83#21065#20982
25.2M → Finish6521+44#20982#20938
TOTALS3815212+3603
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing