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BOSTON MARATHON 2025

Nathan Gibson

Bib: 723•M

IL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 5%
Gender (Male)
#0 / 16105
Top 9%
Division (M18-39)
#0 / 5642
Top 22%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:27
Rank: #899
Start → 5K
18:27 | 5:56/mi
10K· 6.21 mi
36:39
Rank: #806 (+93)
5K → 10K
18:12 | 5:51/mi
15K· 9.32 mi
54:59
Rank: #787 (+19)
10K → 15K
18:20 | 5:54/mi
20K· 12.43 mi
1:13:42
Rank: #810 (-23)
15K → 20K
18:43 | 6:01/mi
Half· 13.11 mi
1:17:44
Rank: #810
20K → Half
4:02 | 5:55/mi
25K· 15.53 mi
1:32:40
Rank: #865 (-55)
Half → 25K
14:56 | 6:10/mi
30K· 18.64 mi
1:53:08
Rank: #1030 (-165)
25K → 30K
20:28 | 6:35/mi
20M
2:02:32
Rank: #1138 (-108)
30K → 20M
9:24 | 6:55/mi
21M
2:09:47
Rank: #1212 (-74)
20M → 21M
7:15 | 7:15/mi
35K· 21.75 mi
2:15:00
Rank: #1279 (-67)
21M → 35K
5:13 | 6:58/mi
23M
2:23:56
Rank: #1376 (-97)
35K → 23M
8:56 | 7:08/mi
24M
2:30:54
Rank: #1457 (-81)
23M → 24M
6:58 | 6:58/mi
40K· 24.85 mi
2:36:51
Rank: #1497 (-40)
24M → 40K
5:57 | 6:58/mi
25.2M
2:39:24
Rank: #1504 (-7)
40K → 25.2M
2:33 | 7:24/mi
Finish· 26.22 mi
2:46:03
Rank: #1534 (-30)
25.2M → Finish
6:39 | 6:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:17:44
Pace5:56 /mi
2nd Half
Distance13.11 mi
Time1:28:19
Pace6:44 /mi
📊Positive Split: 13.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:5118:275:5618:27
5:56
-
10K
6.21 mi10:37:0336:395:5418:12
5:51
-0:05
15K
9.32 mi10:55:2354:595:5418:20
5:54
+0:03
20K
12.43 mi11:14:061:13:425:5618:43
6:01
+0:07
Half
13.11 mi11:18:081:17:445:564:02
5:55
-0:06
25K
15.53 mi11:33:041:32:405:5814:56
6:10
+0:15
30K
18.64 mi11:53:321:53:086:0420:28
6:35
+0:25
20M
20.00 mi12:02:562:02:326:089:24
6:55
+0:20
21M
21.00 mi12:10:112:09:476:117:15
7:15
+0:20
35K
21.75 mi12:15:242:15:006:125:13
6:58
-0:17
23M
23.00 mi12:24:202:23:566:158:56
7:08
+0:10
24M
24.00 mi12:31:182:30:546:176:58
6:58
-0:10
40K
24.85 mi12:37:152:36:516:195:57
6:58
0:00
25.2M
25.20 mi12:39:482:39:246:202:33
7:24
+0:26
Finish
26.22 mi12:46:272:46:036:206:39
6:32
-0:52

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

5:51 /mi

Average Pace

6:20 /mi

Slowest Pace

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:40

56% of race

Time at Steady Pace

27:07

16% of race

Time at Slower Pace

46:16

28% of race

Average Pace: 6:20 /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 mi10:18:5118:275:5618:27
5:56
#899
10K
6.21 mi10:37:0336:395:5418:12
5:51
#806
15K
9.32 mi10:55:2354:595:5418:20
5:54
#787
20K
12.43 mi11:14:061:13:425:5618:43
6:01
#810
Half
13.11 mi11:18:081:17:445:564:02
5:55
#810
25K
15.53 mi11:33:041:32:405:5814:56
6:10
#865
30K
18.64 mi11:53:321:53:086:0420:28
6:35
#1030
20M
20.00 mi12:02:562:02:326:089:24
6:55
#1138
21M
21.00 mi12:10:112:09:476:117:15
7:15
#1212
35K
21.75 mi12:15:242:15:006:125:13
6:58
#1279
23M
23.00 mi12:24:202:23:566:158:56
7:08
#1376
24M
24.00 mi12:31:182:30:546:176:58
6:58
#1457
40K
24.85 mi12:37:152:36:516:195:57
6:58
#1497
25.2M
25.20 mi12:39:482:39:246:202:33
7:24
#1504
Finish
26.22 mi12:46:272:46:036:206:39
6:32
#1534
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi899841841764(Top 3%)715(Top 4%)715(Top 13%)
10K6.21 mi3.10 mi806+93754+87754+87742(Top 3%)697(Top 4%)697(Top 12%)
15K9.32 mi3.11 mi787+19736+18736+18764(Top 3%)715(Top 4%)715(Top 13%)
20K12.43 mi3.11 mi810-23759-23759-23943(Top 3%)889(Top 6%)889(Top 16%)
Half13.11 mi0.68 mi810759759887(Top 3%)839(Top 5%)839(Top 15%)
25K15.53 mi2.42 mi865-55813-54813-541312(Top 5%)1243(Top 8%)1243(Top 22%)
30K18.64 mi3.11 mi1030-165970-157970-1572349(Top 8%)2226(Top 14%)2226(Top 39%)
20M20.00 mi1.36 mi1138-1081073-1031073-1033583(Top 13%)3299(Top 20%)3299(Top 58%)
21M21.00 mi1.00 mi1212-741141-681141-683333(Top 12%)3055(Top 19%)3055(Top 54%)
35K21.75 mi0.75 mi1279-671205-641205-645124(Top 18%)4456(Top 28%)4456(Top 79%)
23M23.00 mi1.25 mi1376-971298-931298-934492(Top 16%)3943(Top 24%)3943(Top 70%)
24M24.00 mi1.00 mi1457-811377-791377-794411(Top 16%)3832(Top 24%)3832(Top 68%)
40K24.85 mi0.85 mi1497-401414-371414-373633(Top 13%)3203(Top 20%)3203(Top 57%)
25.2M25.20 mi0.35 mi1504-71420-61420-62852(Top 10%)2531(Top 16%)2531(Top 45%)
Finish26.22 mi1.02 mi1534-301451-311451-312922(Top 10%)2603(Top 16%)2603(Top 46%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

764

Males

715

M18-39

715

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

742

Males

697

M18-39

697

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

764

Males

715

M18-39

715

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

943

Males

889

M18-39

889

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

887

Males

839

M18-39

839

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1312

Males

1243

M18-39

1243

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2349

Males

2226

M18-39

2226

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3583

Males

3299

M18-39

3299

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3333

Males

3055

M18-39

3055

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

5124

Males

4456

M18-39

4456

35K→23M

21.8 - 23.0 mi

Top 16%
×5stories
+23ft-63ft

Overall

4492

Males

3943

M18-39

3943

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4411

Males

3832

M18-39

3832

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3633

Males

3203

M18-39

3203

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2852

Males

2531

M18-39

2531

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2922

Males

2603

M18-39

2603

Passing Analysis

Category:
Athletes Passed
279
Passed By
914
Net Change
-635
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#899
5K → 10K10815+93#899#806
10K → 15K3617+19#806#787
15K → 20K2245-23#787#810
20K → Half550#810#810
Half → 25K762-55#810#865
25K → 30K13178-165#865#1030
30K → 20M11119-108#1030#1138
20M → 21M1488-74#1138#1212
21M → 35K269-67#1212#1279
35K → 23M14111-97#1279#1376
23M → 24M1091-81#1376#1457
24M → 40K1151-40#1457#1497
40K → 25.2M1219-7#1497#1504
25.2M → Finish1444-30#1504#1534
TOTALS279914-635
📊

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