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BOSTON MARATHON 2025

Gavin Mackay

Bib: 5341•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 8%
Gender (Male)
#0 / 16105
Top 14%
Masters (Masters Men)
#0 / 10463
Top 4%
Division (M45-49)
#0 / 2386
Top 4%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
19:44
Rank: #2771
Start → 5K
19:44 | 6:21/mi
10K· 6.21 mi
39:33
Rank: #2818 (-47)
5K → 10K
19:49 | 6:23/mi
15K· 9.32 mi
59:31
Rank: #2899 (-81)
10K → 15K
19:58 | 6:26/mi
20K· 12.43 mi
1:19:40
Rank: #2927 (-28)
15K → 20K
20:09 | 6:29/mi
Half· 13.11 mi
1:23:59
Rank: #2900 (+27)
20K → Half
4:19 | 6:20/mi
25K· 15.53 mi
1:39:35
Rank: #2805 (+95)
Half → 25K
15:36 | 6:26/mi
30K· 18.64 mi
2:00:05
Rank: #2683 (+122)
25K → 30K
20:30 | 6:36/mi
20M
2:09:01
Rank: #2581 (+102)
30K → 20M
8:56 | 6:34/mi
21M
2:15:58
Rank: #2516 (+65)
20M → 21M
6:57 | 6:57/mi
35K· 21.75 mi
2:20:50
Rank: #2503 (+13)
21M → 35K
4:52 | 6:30/mi
23M
2:29:16
Rank: #2471 (+32)
35K → 23M
8:26 | 6:44/mi
24M
2:35:46
Rank: #2413 (+58)
23M → 24M
6:30 | 6:30/mi
40K· 24.85 mi
2:41:24
Rank: #2375 (+38)
24M → 40K
5:38 | 6:35/mi
25.2M
2:43:55
Rank: #2372 (+3)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
2:50:40
Rank: #2387 (-15)
25.2M → Finish
6:45 | 6:37/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:59
Pace6:24 /mi
2nd Half
Distance13.11 mi
Time1:26:41
Pace6:37 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:1019:446:2119:44
6:21
-
10K
6.21 mi10:43:5939:336:2219:49
6:23
+0:02
15K
9.32 mi11:03:5759:316:2319:58
6:26
+0:03
20K
12.43 mi11:24:061:19:406:2520:09
6:29
+0:03
Half
13.11 mi11:28:251:23:596:244:19
6:20
-0:09
25K
15.53 mi11:44:011:39:356:2515:36
6:26
+0:06
30K
18.64 mi12:04:312:00:056:2720:30
6:36
+0:10
20M
20.00 mi12:13:272:09:016:278:56
6:34
-0:02
21M
21.00 mi12:20:242:15:586:286:57
6:57
+0:23
35K
21.75 mi12:25:162:20:506:294:52
6:30
-0:27
23M
23.00 mi12:33:422:29:166:298:26
6:44
+0:14
24M
24.00 mi12:40:122:35:466:296:30
6:30
-0:14
40K
24.85 mi12:45:502:41:246:305:38
6:35
+0:05
25.2M
25.20 mi12:48:212:43:556:302:31
7:18
+0:43
Finish
26.22 mi12:55:062:50:406:316:45
6:37
-0:41

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

6:20 /mi

Average Pace

6:31 /mi

Slowest Pace

7:18 /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

2:48:09

99% of race

Time at Steady Pace

2:31

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:31 /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 mi10:24:1019:446:2119:44
6:21
#2771
10K
6.21 mi10:43:5939:336:2219:49
6:23
#2818
15K
9.32 mi11:03:5759:316:2319:58
6:26
#2899
20K
12.43 mi11:24:061:19:406:2520:09
6:29
#2927
Half
13.11 mi11:28:251:23:596:244:19
6:20
#2900
25K
15.53 mi11:44:011:39:356:2515:36
6:26
#2805
30K
18.64 mi12:04:312:00:056:2720:30
6:36
#2683
20M
20.00 mi12:13:272:09:016:278:56
6:34
#2581
21M
21.00 mi12:20:242:15:586:286:57
6:57
#2516
35K
21.75 mi12:25:162:20:506:294:52
6:30
#2503
23M
23.00 mi12:33:422:29:166:298:26
6:44
#2471
24M
24.00 mi12:40:122:35:466:296:30
6:30
#2413
40K
24.85 mi12:45:502:41:246:305:38
6:35
#2375
25.2M
25.20 mi12:48:212:43:556:302:31
7:18
#2372
Finish
26.22 mi12:55:062:50:406:316:45
6:37
#2387
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi2771264126413105(Top 11%)2957(Top 18%)2957(Top 124%)
10K6.21 mi3.10 mi2818-472685-442685-442901(Top 10%)2762(Top 17%)2762(Top 116%)
15K9.32 mi3.11 mi2899-812763-782763-783105(Top 11%)2957(Top 18%)2957(Top 124%)
20K12.43 mi3.11 mi2927-282789-262789-263048(Top 11%)2900(Top 18%)2900(Top 122%)
Half13.11 mi0.68 mi2900+272765+242765+242684(Top 9%)2567(Top 16%)2567(Top 108%)
25K15.53 mi2.42 mi2805+952676+892676+892523(Top 9%)2399(Top 15%)2399(Top 101%)
30K18.64 mi3.11 mi2683+1222561+1152561+1152407(Top 8%)2279(Top 14%)2279(Top 96%)
20M20.00 mi1.36 mi2581+1022465+962465+961942(Top 7%)1839(Top 11%)1839(Top 77%)
21M21.00 mi1.00 mi2516+652399+662399+662080(Top 7%)1955(Top 12%)1955(Top 82%)
35K21.75 mi0.75 mi2503+132383+162383+162497(Top 9%)2330(Top 14%)2330(Top 98%)
23M23.00 mi1.25 mi2471+322352+312352+312421(Top 9%)2248(Top 14%)2248(Top 94%)
24M24.00 mi1.00 mi2413+582295+572295+572066(Top 7%)1919(Top 12%)1919(Top 80%)
40K24.85 mi0.85 mi2375+382257+382257+381942(Top 7%)1792(Top 11%)1792(Top 75%)
25.2M25.20 mi0.35 mi2372+32251+62251+62547(Top 9%)2281(Top 14%)2281(Top 96%)
Finish26.22 mi1.02 mi2387-152262-112262-113468(Top 12%)3037(Top 19%)3037(Top 127%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

3105

Males

2957

M45-49

2957

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2901

Males

2762

M45-49

2762

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

3105

Males

2957

M45-49

2957

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

3048

Males

2900

M45-49

2900

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2684

Males

2567

M45-49

2567

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2523

Males

2399

M45-49

2399

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2407

Males

2279

M45-49

2279

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1942

Males

1839

M45-49

1839

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

2080

Males

1955

M45-49

1955

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2497

Males

2330

M45-49

2330

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2421

Males

2248

M45-49

2248

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

2066

Males

1919

M45-49

1919

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1942

Males

1792

M45-49

1792

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2547

Males

2281

M45-49

2281

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3468

Males

3037

M45-49

3037

Passing Analysis

Category:
Athletes Passed
1001
Passed By
617
Net Change
+384
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2771
5K → 10K111158-47#2771#2818
10K → 15K53134-81#2818#2899
15K → 20K74102-28#2899#2927
20K → Half336+27#2927#2900
Half → 25K11318+95#2900#2805
25K → 30K15836+122#2805#2683
30K → 20M1097+102#2683#2581
20M → 21M8116+65#2581#2516
21M → 35K3825+13#2516#2503
35K → 23M6533+32#2503#2471
23M → 24M6911+58#2471#2413
24M → 40K5113+38#2413#2375
40K → 25.2M2219+3#2375#2372
25.2M → Finish2439-15#2372#2387
TOTALS1001617+384
📊

Passing Visuals

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing