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BOSTON MARATHON 2025

Daniel Gillis

Bib: 31147•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 47%
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:11/mi
25:24
↑ 97↓ 3451.5%
10K· 6.21 mi
7:49/mi
49:42
↑ 79↓ 1380.4%
15K· 9.32 mi
8:15/mi
1:15:20
↑ 67↓ 78
20K· 12.43 mi
7:46/mi
1:39:28
↑ 106↓ 860.1%
Half· 13.11 mi
7:20/mi
1:44:28
↑ 19↓ 370.5%
25K· 15.53 mi
8:00/mi
2:03:53
↑ 66↓ 880.2%
30K· 18.64 mi
8:28/mi
2:30:10
↑ 181↓ 1480.2%
20M
8:22/mi
2:41:32
↑ 64↓ 500.2%
21M
8:17/mi
2:49:49
↑ 106↓ 241.6%
35K· 21.75 mi
7:06/mi
2:55:08
↑ 17↓ 861.7%
23M
8:06/mi
3:05:17
↑ 23↓ 630.6%
24M
7:57/mi
3:13:14
↓ 821.3%
40K· 24.85 mi
8:02/mi
3:20:06
↓ 200.3%
25.2M
8:36/mi
3:23:04
↑ 13↓ 160.2%
Finish· 26.22 mi
7:10/mi
3:30:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:28
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:45:54
Pace8:05 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:0225:248:1125:24
8:11
-
10K
6.21 mi12:11:2049:428:0024:18
7:49
-0:22
15K
9.32 mi12:36:581:15:208:0525:38
8:15
+0:26
20K
12.43 mi13:01:061:39:288:0024:08
7:46
-0:29
Half
13.11 mi13:06:061:44:287:585:00
7:20
-0:26
25K
15.53 mi13:25:312:03:537:5819:25
8:00
+0:40
30K
18.64 mi13:51:482:30:108:0326:17
8:28
+0:28
20M
20.00 mi14:03:102:41:328:0511:22
8:22
-0:06
21M
21.00 mi14:11:272:49:498:058:17
8:17
-0:05
35K
21.75 mi14:16:462:55:088:035:19
7:06
-1:11
23M
23.00 mi14:26:553:05:178:0310:09
8:06
+1:00
24M
24.00 mi14:34:523:13:148:037:57
7:57
-0:09
40K
24.85 mi14:41:443:20:068:036:52
8:02
+0:05
25.2M
25.20 mi14:44:423:23:048:032:58
8:36
+0:34
Finish
26.22 mi14:52:003:30:228:027:18
7:10
-1:26

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

7:06 /mi

Average Pace

8:02 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

41:45

20% of race

Time at Steady Pace

1:59:43

57% of race

Time at Slower Pace

48:54

23% of race

Average Pace: 8:01 /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 mi11:47:0225:248:1125:24
8:11
#17926
10K
6.21 mi12:11:2049:428:0024:18
7:49
#16500
15K
9.32 mi12:36:581:15:208:0525:38
8:15
#16937
20K
12.43 mi13:01:061:39:288:0024:08
7:46
#15953
Half
13.11 mi13:06:061:44:287:585:00
7:20
#15690
25K
15.53 mi13:25:312:03:537:5819:25
8:00
#15363
30K
18.64 mi13:51:482:30:108:0326:17
8:28
#15176
20M
20.00 mi14:03:102:41:328:0511:22
8:22
#14952
21M
21.00 mi14:11:272:49:498:058:17
8:17
#14570
35K
21.75 mi14:16:462:55:088:035:19
7:06
#14220
23M
23.00 mi14:26:553:05:178:0310:09
8:06
#13969
24M
24.00 mi14:34:523:13:148:037:57
7:57
#13812
40K
24.85 mi14:41:443:20:068:036:52
8:02
#13650
25.2M
25.20 mi14:44:423:23:048:032:58
8:36
#13570
Finish
26.22 mi14:52:003:30:228:027:18
7:10
#13303
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi17926115721157217720(Top 62%)11514(Top 71%)11514(Top 204%)
10K6.21 mi3.10 mi16500+142611013+55911013+55914995(Top 53%)10416(Top 65%)10416(Top 185%)
15K9.32 mi3.11 mi16937-43711202-18911202-18917720(Top 62%)11514(Top 71%)11514(Top 204%)
20K12.43 mi3.11 mi15953+98410786+41610786+41613001(Top 46%)9416(Top 58%)9416(Top 167%)
Half13.11 mi0.68 mi15690+26310657+12910657+12910263(Top 36%)8179(Top 51%)8179(Top 145%)
25K15.53 mi2.42 mi15363+32710507+15010507+15013942(Top 49%)9724(Top 60%)9724(Top 172%)
30K18.64 mi3.11 mi15176+18710370+13710370+13714498(Top 51%)9827(Top 61%)9827(Top 174%)
20M20.00 mi1.36 mi14952+22410237+13310237+13312913(Top 45%)8956(Top 56%)8956(Top 159%)
21M21.00 mi1.00 mi14570+38210045+19210045+1929129(Top 32%)6897(Top 43%)6897(Top 122%)
35K21.75 mi0.75 mi14220+3509874+1719874+1716049(Top 21%)5106(Top 32%)5106(Top 90%)
23M23.00 mi1.25 mi13969+2519724+1509724+15010793(Top 38%)7645(Top 47%)7645(Top 136%)
24M24.00 mi1.00 mi13812+1579616+1089616+10810884(Top 38%)7620(Top 47%)7620(Top 135%)
40K24.85 mi0.85 mi13650+1629526+909526+9010420(Top 37%)7266(Top 45%)7266(Top 129%)
25.2M25.20 mi0.35 mi13570+809479+479479+479421(Top 33%)6673(Top 41%)6673(Top 118%)
Finish26.22 mi1.02 mi13303+2679344+1359344+1356817(Top 24%)5227(Top 32%)5227(Top 93%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

17720

Males

11514

M18-39

11514

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

14995

Males

10416

M18-39

10416

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

17720

Males

11514

M18-39

11514

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

13001

Males

9416

M18-39

9416

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

10263

Males

8179

M18-39

8179

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

13942

Males

9724

M18-39

9724

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

14498

Males

9827

M18-39

9827

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

12913

Males

8956

M18-39

8956

20M→21M

20.0 - 21.0 mi

Top 32%
×8story building
+106ft-24ft

Overall

9129

Males

6897

M18-39

6897

21M→35K

21.0 - 21.8 mi

Top 21%
×7story building
+17ft-86ft

Overall

6049

Males

5106

M18-39

5106

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

10793

Males

7645

M18-39

7645

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

10884

Males

7620

M18-39

7620

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

10420

Males

7266

M18-39

7266

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

9421

Males

6673

M18-39

6673

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2story building
+22ft-21ft

Overall

6817

Males

5227

M18-39

5227

Passing Analysis

Category:
Athletes Passed
5441
Passed By
818
Net Change
+4623
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17926
5K → 10K144721+1426#17926#16500
10K → 15K103540-437#16500#16937
15K → 20K9928+984#16937#15953
20K → Half2630+263#15953#15690
Half → 25K35831+327#15690#15363
25K → 30K328141+187#15363#15176
30K → 20M25026+224#15176#14952
20M → 21M3842+382#14952#14570
21M → 35K3500+350#14570#14220
35K → 23M26716+251#14220#13969
23M → 24M17518+157#13969#13812
24M → 40K17210+162#13812#13650
40K → 25.2M844+80#13650#13570
25.2M → Finish2681+267#13570#13303
TOTALS5441818+4623
📊

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