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BOSTON MARATHON 2025

Justin White

Bib: 9538•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 16%
Gender (Male)
#0 / 16105
Top 25%
Masters (Masters Men)
#0 / 10463
Top 12%
Division (M45-49)
#0 / 2386
Top 15%
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
7:01/mi
21:47
↑ 97↓ 3451.5%
10K· 6.21 mi
6:47/mi
42:52
↑ 79↓ 1380.4%
15K· 9.32 mi
6:40/mi
1:03:34
↑ 67↓ 78
20K· 12.43 mi
6:47/mi
1:24:38
↑ 106↓ 860.1%
Half· 13.11 mi
6:43/mi
1:29:13
↑ 19↓ 370.5%
25K· 15.53 mi
6:50/mi
1:45:47
↑ 66↓ 880.2%
30K· 18.64 mi
6:52/mi
2:07:08
↑ 181↓ 1480.2%
20M
6:43/mi
2:16:16
↑ 64↓ 500.2%
21M
7:17/mi
2:23:33
↑ 106↓ 241.6%
35K· 21.75 mi
6:44/mi
2:28:35
↑ 17↓ 861.7%
23M
6:57/mi
2:37:17
↑ 23↓ 630.6%
24M
6:49/mi
2:44:06
↓ 821.3%
40K· 24.85 mi
6:56/mi
2:50:02
↓ 200.3%
25.2M
7:29/mi
2:52:37
↑ 13↓ 160.2%
Finish· 26.22 mi
6:36/mi
2:59:21
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:13
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:30:08
Pace6:53 /mi
📊Positive Split: 1.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:1921:477:0121:47
7:01
-
10K
6.21 mi11:09:2442:526:5421:05
6:47
-0:14
15K
9.32 mi11:30:061:03:346:4920:42
6:40
-0:07
20K
12.43 mi11:51:101:24:386:4921:04
6:47
+0:07
Half
13.11 mi11:55:451:29:136:484:35
6:43
-0:04
25K
15.53 mi12:12:191:45:476:4916:34
6:50
+0:07
30K
18.64 mi12:33:402:07:086:4921:21
6:52
+0:02
20M
20.00 mi12:42:482:16:166:499:08
6:43
-0:09
21M
21.00 mi12:50:052:23:336:507:17
7:17
+0:34
35K
21.75 mi12:55:072:28:356:505:02
6:44
-0:33
23M
23.00 mi13:03:492:37:176:508:42
6:57
+0:13
24M
24.00 mi13:10:382:44:066:506:49
6:49
-0:08
40K
24.85 mi13:16:342:50:026:505:56
6:56
+0:07
25.2M
25.20 mi13:19:092:52:376:512:35
7:29
+0:33
Finish
26.22 mi13:25:532:59:216:516:44
6:36
-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

6:36 /mi

Average Pace

6:51 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:29

94% of race

Time at Steady Pace

9:52

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:50 /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 mi10:48:1921:477:0121:47
7:01
#7906
10K
6.21 mi11:09:2442:526:5421:05
6:47
#7143
15K
9.32 mi11:30:061:03:346:4920:42
6:40
#6406
20K
12.43 mi11:51:101:24:386:4921:04
6:47
#6029
Half
13.11 mi11:55:451:29:136:484:35
6:43
#5995
25K
15.53 mi12:12:191:45:476:4916:34
6:50
#5803
30K
18.64 mi12:33:402:07:086:4921:21
6:52
#5335
20M
20.00 mi12:42:482:16:166:499:08
6:43
#5039
21M
21.00 mi12:50:052:23:336:507:17
7:17
#4904
35K
21.75 mi12:55:072:28:356:505:02
6:44
#4826
23M
23.00 mi13:03:492:37:176:508:42
6:57
#4691
24M
24.00 mi13:10:382:44:066:506:49
6:49
#4611
40K
24.85 mi13:16:342:50:026:505:56
6:56
#4550
25.2M
25.20 mi13:19:092:52:376:512:35
7:29
#4532
Finish
26.22 mi13:25:532:59:216:516:44
6:36
#4470
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi7906693569354765(Top 17%)4449(Top 28%)4449(Top 186%)
10K6.21 mi3.10 mi7143+7636400+5356400+5356237(Top 22%)5674(Top 35%)5674(Top 238%)
15K9.32 mi3.11 mi6406+7375829+5715829+5714765(Top 17%)4449(Top 28%)4449(Top 186%)
20K12.43 mi3.11 mi6029+3775506+3235506+3235118(Top 18%)4720(Top 29%)4720(Top 198%)
Half13.11 mi0.68 mi5995+345478+285478+285458(Top 19%)5013(Top 31%)5013(Top 210%)
25K15.53 mi2.42 mi5803+1925303+1755303+1755138(Top 18%)4713(Top 29%)4713(Top 198%)
30K18.64 mi3.11 mi5335+4684897+4064897+4063906(Top 14%)3603(Top 22%)3603(Top 151%)
20M20.00 mi1.36 mi5039+2964640+2574640+2572576(Top 9%)2424(Top 15%)2424(Top 102%)
21M21.00 mi1.00 mi4904+1354521+1194521+1193568(Top 13%)3267(Top 20%)3267(Top 137%)
35K21.75 mi0.75 mi4826+784450+714450+713714(Top 13%)3361(Top 21%)3361(Top 141%)
23M23.00 mi1.25 mi4691+1354321+1294321+1293481(Top 12%)3164(Top 20%)3164(Top 133%)
24M24.00 mi1.00 mi4611+804245+764245+763623(Top 13%)3242(Top 20%)3242(Top 136%)
40K24.85 mi0.85 mi4550+614180+654180+653589(Top 13%)3185(Top 20%)3185(Top 133%)
25.2M25.20 mi0.35 mi4532+184160+204160+203415(Top 12%)3005(Top 19%)3005(Top 126%)
Finish26.22 mi1.02 mi4470+624102+584102+583389(Top 12%)2973(Top 18%)2973(Top 125%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21story building
+97ft-345ft

Overall

4765

Males

4449

M45-49

4449

5K→10K

3.1 - 6.2 mi

Top 22%
×5story building
+79ft-138ft

Overall

6237

Males

5674

M45-49

5674

10K→15K

6.2 - 9.3 mi

Top 17%
×3story building
+67ft-78ft

Overall

4765

Males

4449

M45-49

4449

15K→20K

9.3 - 12.4 mi

Top 18%
×5story building
+106ft-86ft

Overall

5118

Males

4720

M45-49

4720

20K→Half

12.4 - 13.1 mi

Top 19%
×2story building
+19ft-37ft

Overall

5458

Males

5013

M45-49

5013

Half→25K

13.1 - 15.5 mi

Top 18%
×4story building
+66ft-88ft

Overall

5138

Males

4713

M45-49

4713

25K→30K

15.5 - 18.6 mi

Top 14%
×9story building
+181ft-148ft

Overall

3906

Males

3603

M45-49

3603

30K→20M

18.6 - 20.0 mi

Top 9%
×5story building
+64ft-50ft

Overall

2576

Males

2424

M45-49

2424

20M→21M

20.0 - 21.0 mi

Top 13%
×8story building
+106ft-24ft

Overall

3568

Males

3267

M45-49

3267

21M→35K

21.0 - 21.8 mi

Top 13%
×7story building
+17ft-86ft

Overall

3714

Males

3361

M45-49

3361

35K→23M

21.8 - 23.0 mi

Top 12%
×5story building
+23ft-63ft

Overall

3481

Males

3164

M45-49

3164

23M→24M

23.0 - 24.0 mi

Top 13%
×6story building
+12ft-82ft

Overall

3623

Males

3242

M45-49

3242

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3589

Males

3185

M45-49

3185

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3415

Males

3005

M45-49

3005

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2story building
+22ft-21ft

Overall

3389

Males

2973

M45-49

2973

Passing Analysis

Category:
Athletes Passed
3621
Passed By
185
Net Change
+3436
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7906
5K → 10K77815+763#7906#7143
10K → 15K7370+737#7143#6406
15K → 20K38710+377#6406#6029
20K → Half406+34#6029#5995
Half → 25K21927+192#5995#5803
25K → 30K4779+468#5803#5335
30K → 20M2960+296#5335#5039
20M → 21M14813+135#5039#4904
21M → 35K8911+78#4904#4826
35K → 23M15722+135#4826#4691
23M → 24M10020+80#4691#4611
24M → 40K8019+61#4611#4550
40K → 25.2M3315+18#4550#4532
25.2M → Finish8018+62#4532#4470
TOTALS3621185+3436
📊

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