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BOSTON MARATHON 2025

Michael Giblin

Bib: 14833•M

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 32%
Gender (Male)
#0 / 16105
Top 45%
Masters (Masters Men)
#0 / 10463
Top 33%
Division (M50-54)
#0 / 1996
Top 31%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:58
Rank: #11229
Start → 5K
22:58 | 7:24/mi
10K· 6.21 mi
45:44
Rank: #10853 (+376)
5K → 10K
22:46 | 7:20/mi
15K· 9.32 mi
1:08:19
Rank: #10466 (+387)
10K → 15K
22:35 | 7:16/mi
20K· 12.43 mi
1:31:01
Rank: #10081 (+385)
15K → 20K
22:42 | 7:18/mi
Half· 13.11 mi
1:35:59
Rank: #10057 (+24)
20K → Half
4:58 | 7:17/mi
25K· 15.53 mi
1:53:35
Rank: #9669 (+388)
Half → 25K
17:36 | 7:16/mi
30K· 18.64 mi
2:16:51
Rank: #9213 (+456)
25K → 30K
23:16 | 7:29/mi
20M
2:27:18
Rank: #9101 (+112)
30K → 20M
10:27 | 7:41/mi
21M
2:35:33
Rank: #9044 (+57)
20M → 21M
8:15 | 8:15/mi
35K· 21.75 mi
2:41:16
Rank: #9056 (-12)
21M → 35K
5:43 | 7:38/mi
23M
2:51:01
Rank: #8950 (+106)
35K → 23M
9:45 | 7:47/mi
24M
2:58:47
Rank: #8949 (+1)
23M → 24M
7:46 | 7:46/mi
40K· 24.85 mi
3:05:31
Rank: #8915 (+34)
24M → 40K
6:44 | 7:53/mi
25.2M
3:08:29
Rank: #8920 (-5)
40K → 25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
3:16:21
Rank: #8968 (-48)
25.2M → Finish
7:52 | 7:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:59
Pace7:19 /mi
2nd Half
Distance13.11 mi
Time1:40:22
Pace7:39 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:1822:587:2422:58
7:24
-
10K
6.21 mi11:18:0445:447:2222:46
7:20
-0:04
15K
9.32 mi11:40:391:08:197:2022:35
7:16
-0:04
20K
12.43 mi12:03:211:31:017:1922:42
7:18
+0:02
Half
13.11 mi12:08:191:35:597:194:58
7:17
-0:01
25K
15.53 mi12:25:551:53:357:1917:36
7:16
-0:01
30K
18.64 mi12:49:112:16:517:2023:16
7:29
+0:13
20M
20.00 mi12:59:382:27:187:2210:27
7:41
+0:12
21M
21.00 mi13:07:532:35:337:248:15
8:15
+0:34
35K
21.75 mi13:13:362:41:167:255:43
7:38
-0:37
23M
23.00 mi13:23:212:51:017:269:45
7:47
+0:09
24M
24.00 mi13:31:072:58:477:277:46
7:46
-0:01
40K
24.85 mi13:37:513:05:317:286:44
7:53
+0:07
25.2M
25.20 mi13:40:493:08:297:292:58
8:36
+0:43
Finish
26.22 mi13:48:413:16:217:307:52
7:43
-0:53

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

7:16 /mi

Average Pace

7:30 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:05:08

94% of race

Time at Steady Pace

8:15

4% of race

Time at Slower Pace

2:58

2% of race

Average Pace: 7:29 /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 mi10:55:1822:587:2422:58
7:24
#11229
10K
6.21 mi11:18:0445:447:2222:46
7:20
#10853
15K
9.32 mi11:40:391:08:197:2022:35
7:16
#10466
20K
12.43 mi12:03:211:31:017:1922:42
7:18
#10081
Half
13.11 mi12:08:191:35:597:194:58
7:17
#10057
25K
15.53 mi12:25:551:53:357:1917:36
7:16
#9669
30K
18.64 mi12:49:112:16:517:2023:16
7:29
#9213
20M
20.00 mi12:59:382:27:187:2210:27
7:41
#9101
21M
21.00 mi13:07:532:35:337:248:15
8:15
#9044
35K
21.75 mi13:13:362:41:167:255:43
7:38
#9056
23M
23.00 mi13:23:212:51:017:269:45
7:47
#8950
24M
24.00 mi13:31:072:58:477:277:46
7:46
#8949
40K
24.85 mi13:37:513:05:317:286:44
7:53
#8915
25.2M
25.20 mi13:40:493:08:297:292:58
8:36
#8920
Finish
26.22 mi13:48:413:16:217:307:52
7:43
#8968
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi11229881088109711(Top 34%)7925(Top 49%)7925(Top 397%)
10K6.21 mi3.10 mi10853+3768590+2208590+22010555(Top 37%)8436(Top 52%)8436(Top 423%)
15K9.32 mi3.11 mi10466+3878380+2108380+2109711(Top 34%)7925(Top 49%)7925(Top 397%)
20K12.43 mi3.11 mi10081+3858151+2298151+2299085(Top 32%)7500(Top 47%)7500(Top 376%)
Half13.11 mi0.68 mi10057+248128+238128+239747(Top 34%)7875(Top 49%)7875(Top 395%)
25K15.53 mi2.42 mi9669+3887891+2377891+2378057(Top 28%)6800(Top 42%)6800(Top 341%)
30K18.64 mi3.11 mi9213+4567584+3077584+3077674(Top 27%)6393(Top 40%)6393(Top 320%)
20M20.00 mi1.36 mi9101+1127497+877497+878264(Top 29%)6601(Top 41%)6601(Top 331%)
21M21.00 mi1.00 mi9044+577429+687429+688868(Top 31%)6746(Top 42%)6746(Top 338%)
35K21.75 mi0.75 mi9056-127414+157414+159594(Top 34%)7148(Top 44%)7148(Top 358%)
23M23.00 mi1.25 mi8950+1067305+1097305+1098483(Top 30%)6431(Top 40%)6431(Top 322%)
24M24.00 mi1.00 mi8949+17271+347271+349536(Top 34%)6928(Top 43%)6928(Top 347%)
40K24.85 mi0.85 mi8915+347218+537218+539274(Top 33%)6667(Top 41%)6667(Top 334%)
25.2M25.20 mi0.35 mi8920-57201+177201+179355(Top 33%)6607(Top 41%)6607(Top 331%)
Finish26.22 mi1.02 mi8968-487191+107191+1010817(Top 38%)7409(Top 46%)7409(Top 371%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

9711

Males

7925

M50-54

7925

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

10555

Males

8436

M50-54

8436

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

9711

Males

7925

M50-54

7925

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

9085

Males

7500

M50-54

7500

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

9747

Males

7875

M50-54

7875

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

8057

Males

6800

M50-54

6800

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

7674

Males

6393

M50-54

6393

30K→20M

18.6 - 20.0 mi

Top 29%
×5stories
+64ft-50ft

Overall

8264

Males

6601

M50-54

6601

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

8868

Males

6746

M50-54

6746

21M→35K

21.0 - 21.8 mi

Top 34%
×7stories
+17ft-86ft

Overall

9594

Males

7148

M50-54

7148

35K→23M

21.8 - 23.0 mi

Top 30%
×5stories
+23ft-63ft

Overall

8483

Males

6431

M50-54

6431

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

9536

Males

6928

M50-54

6928

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

9274

Males

6667

M50-54

6667

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

9355

Males

6607

M50-54

6607

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2stories
+22ft-21ft

Overall

10817

Males

7409

M50-54

7409

Passing Analysis

Category:
Athletes Passed
2987*
Passed By
725
Net Change
+2261
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11229
5K → 10K491115+376#11229#10853
10K → 15K41629+387#10853#10466
15K → 20K40923+385#10466#10081
20K → Half4420+24#10081#10057
Half → 25K396*8+388#10057#9669
25K → 30K47822+456#9669#9213
30K → 20M15745+112#9213#9101
20M → 21M11457+57#9101#9044
21M → 35K5769-12#9044#9056
35K → 23M15852+106#9056#8950
23M → 24M7574+1#8950#8949
24M → 40K9965+34#8949#8915
40K → 25.2M3439-5#8915#8920
25.2M → Finish59107-48#8920#8968
TOTALS2987*725+2261

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

📊

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