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BOSTON MARATHON 2025

Marc Gilbertson

Bib: 15057•M

VT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 26%
Gender (Male)
#0 / 16105
Top 39%
Masters (Masters Men)
#0 / 10463
Top 26%
Division (M55-59)
#0 / 1648
Top 9%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:48
Rank: #10736
Start → 5K
7:20/mi
22:48 split
10K· 6.21 mi
45:45
Rank: #10885 (-149)
5K → 10K
7:23/mi
22:57 split
15K· 9.32 mi
1:08:48
Rank: #10889 (-4)
10K → 15K
7:25/mi
23:03 split
20K· 12.43 mi
1:31:44
Rank: #10593 (+296)
15K → 20K
7:23/mi
22:56 split
Half· 13.11 mi
1:36:40
Rank: #10511 (+82)
20K → Half
7:14/mi
4:56 split
25K· 15.53 mi
1:54:33
Rank: #10220 (+291)
Half → 25K
7:23/mi
17:53 split
30K· 18.64 mi
2:17:46
Rank: #9618 (+602)
25K → 30K
7:28/mi
23:13 split
20M
2:27:49
Rank: #9311 (+307)
30K → 20M
7:24/mi
10:03 split
21M
2:35:30
Rank: #9025 (+286)
20M → 21M
7:41/mi
7:41 split
35K· 21.75 mi
2:40:49
Rank: #8854 (+171)
21M → 35K
7:06/mi
5:19 split
23M
2:49:46
Rank: #8462 (+392)
35K → 23M
7:09/mi
8:57 split
24M
2:56:57
Rank: #8277 (+185)
23M → 24M
7:11/mi
7:11 split
40K· 24.85 mi
3:02:38
Rank: #7958 (+319)
24M → 40K
6:39/mi
5:41 split
25.2M
3:05:11
Rank: #7822 (+136)
40K → 25.2M
7:24/mi
2:33 split
Finish· 26.22 mi
3:11:41
Rank: #7520 (+302)
25.2M → Finish
6:23/mi
6:30 split

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:36:40
Pace7:22 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:35:01
Pace7:15 /mi
📊Negative Split: 1.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:4322:487:2022:48
7:20
-
10K
6.21 mi11:17:4045:457:2222:57
7:23
+0:03
15K
9.32 mi11:40:431:08:487:2323:03
7:25
+0:02
20K
12.43 mi12:03:391:31:447:2322:56
7:23
-0:02
Half
13.11 mi12:08:351:36:407:224:56
7:14
-0:09
25K
15.53 mi12:26:281:54:337:2217:53
7:23
+0:09
30K
18.64 mi12:49:412:17:467:2323:13
7:28
+0:05
20M
20.00 mi12:59:442:27:497:2310:03
7:24
-0:04
21M
21.00 mi13:07:252:35:307:247:41
7:41
+0:17
35K
21.75 mi13:12:442:40:497:245:19
7:06
-0:35
23M
23.00 mi13:21:412:49:467:238:57
7:09
+0:03
24M
24.00 mi13:28:522:56:577:227:11
7:11
+0:02
40K
24.85 mi13:34:333:02:387:215:41
6:39
-0:32
25.2M
25.20 mi13:37:063:05:117:212:33
7:24
+0:45
Finish
26.22 mi13:43:363:11:417:196:30
6:23
-1:01

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

6:23 /mi

Average Pace

7:19 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

33:38

18% of race

Time at Steady Pace

2:30:22

78% of race

Time at Slower Pace

7:41

4% of race

Average Pace: 7:19 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:54:4322:487:2022:48
7:20
#10736
10K
6.21 mi11:17:4045:457:2222:57
7:23
#10885
15K
9.32 mi11:40:431:08:487:2323:03
7:25
#10889
20K
12.43 mi12:03:391:31:447:2322:56
7:23
#10593
Half
13.11 mi12:08:351:36:407:224:56
7:14
#10511
25K
15.53 mi12:26:281:54:337:2217:53
7:23
#10220
30K
18.64 mi12:49:412:17:467:2323:13
7:28
#9618
20M
20.00 mi12:59:442:27:497:2310:03
7:24
#9311
21M
21.00 mi13:07:252:35:307:247:41
7:41
#9025
35K
21.75 mi13:12:442:40:497:245:19
7:06
#8854
23M
23.00 mi13:21:412:49:467:238:57
7:09
#8462
24M
24.00 mi13:28:522:56:577:227:11
7:11
#8277
40K
24.85 mi13:34:333:02:387:215:41
6:39
#7958
25.2M
25.20 mi13:37:063:05:117:212:33
7:24
#7822
Finish
26.22 mi13:43:363:11:417:196:30
6:23
#7520
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi107368552855211026(Top 39%)8601(Top 53%)8601(Top 522%)
10K6.21 mi3.10 mi10885-1498603-518603-5111048(Top 39%)8682(Top 54%)8682(Top 527%)
15K9.32 mi3.11 mi10889-48594+98594+911026(Top 39%)8601(Top 53%)8601(Top 522%)
20K12.43 mi3.11 mi10593+2968416+1788416+1789707(Top 34%)7846(Top 49%)7846(Top 476%)
Half13.11 mi0.68 mi10511+828375+418375+419257(Top 33%)7600(Top 47%)7600(Top 461%)
25K15.53 mi2.42 mi10220+2918180+1958180+1958936(Top 31%)7295(Top 45%)7295(Top 443%)
30K18.64 mi3.11 mi9618+6027804+3767804+3767542(Top 27%)6305(Top 39%)6305(Top 383%)
20M20.00 mi1.36 mi9311+3077607+1977607+1976345(Top 22%)5427(Top 34%)5427(Top 329%)
21M21.00 mi1.00 mi9025+2867416+1917416+1915553(Top 20%)4763(Top 30%)4763(Top 289%)
35K21.75 mi0.75 mi8854+1717297+1197297+1196004(Top 21%)5061(Top 31%)5061(Top 307%)
23M23.00 mi1.25 mi8462+3927019+2787019+2784590(Top 16%)4022(Top 25%)4022(Top 244%)
24M24.00 mi1.00 mi8277+1856879+1406879+1405709(Top 20%)4734(Top 29%)4734(Top 287%)
40K24.85 mi0.85 mi7958+3196645+2346645+2342158(Top 8%)1984(Top 12%)1984(Top 120%)
25.2M25.20 mi0.35 mi7822+1366547+986547+982931(Top 10%)2610(Top 16%)2610(Top 158%)
Finish26.22 mi1.02 mi7520+3026321+2266321+2262220(Top 8%)2033(Top 13%)2033(Top 123%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

11026

Males

8601

M55-59

8601

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

11048

Males

8682

M55-59

8682

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

11026

Males

8601

M55-59

8601

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

9707

Males

7846

M55-59

7846

20K→Half

12.4 - 13.1 mi

Top 33%
×2story building
+19ft-37ft

Overall

9257

Males

7600

M55-59

7600

Half→25K

13.1 - 15.5 mi

Top 31%
×4story building
+66ft-88ft

Overall

8936

Males

7295

M55-59

7295

25K→30K

15.5 - 18.6 mi

Top 27%
×9story building
+181ft-148ft

Overall

7542

Males

6305

M55-59

6305

30K→20M

18.6 - 20.0 mi

Top 22%
×5story building
+64ft-50ft

Overall

6345

Males

5427

M55-59

5427

20M→21M

20.0 - 21.0 mi

Top 20%
×8story building
+106ft-24ft

Overall

5553

Males

4763

M55-59

4763

21M→35K

21.0 - 21.8 mi

Top 21%
×7story building
+17ft-86ft

Overall

6004

Males

5061

M55-59

5061

35K→23M

21.8 - 23.0 mi

Top 16%
×5story building
+23ft-63ft

Overall

4590

Males

4022

M55-59

4022

23M→24M

23.0 - 24.0 mi

Top 20%
×6story building
+12ft-82ft

Overall

5709

Males

4734

M55-59

4734

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2158

Males

1984

M55-59

1984

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2931

Males

2610

M55-59

2610

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2story building
+22ft-21ft

Overall

2220

Males

2033

M55-59

2033

Passing Analysis

Category:
Athletes Passed
3819*
Passed By
603
Net Change
+3216
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10736
5K → 10K188337-149#10736#10885
10K → 15K170174-4#10885#10889
15K → 20K33337+296#10889#10593
20K → Half875+82#10593#10511
Half → 25K31524+291#10511#10220
25K → 30K614*12+602#10220#9618
30K → 20M3092+307#9618#9311
20M → 21M2882+286#9311#9025
21M → 35K1732+171#9025#8854
35K → 23M3920+392#8854#8462
23M → 24M1938+185#8462#8277
24M → 40K3190+319#8277#7958
40K → 25.2M1360+136#7958#7822
25.2M → Finish3020+302#7822#7520
TOTALS3819*603+3216

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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