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BOSTON MARATHON 2025

Grahame Quan

Bib: 14748•M

BC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 35%
Gender (Male)
#0 / 16105
Top 48%
Masters (Masters Men)
#0 / 10463
Top 37%
Division (M50-54)
#0 / 1996
Top 38%
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
7:28/mi
23:12
↑ 97↓ 3451.5%
10K· 6.21 mi
7:30/mi
46:31
↑ 79↓ 1380.4%
15K· 9.32 mi
7:27/mi
1:09:41
↑ 67↓ 78
20K· 12.43 mi
7:29/mi
1:32:55
↑ 106↓ 860.1%
Half· 13.11 mi
7:30/mi
1:38:02
↑ 19↓ 370.5%
25K· 15.53 mi
7:33/mi
1:56:20
↑ 66↓ 880.2%
30K· 18.64 mi
7:43/mi
2:20:18
↑ 181↓ 1480.2%
20M
7:49/mi
2:30:55
↑ 64↓ 500.2%
21M
8:16/mi
2:39:11
↑ 106↓ 241.6%
35K· 21.75 mi
7:44/mi
2:44:58
↑ 17↓ 861.7%
23M
7:51/mi
2:54:48
↑ 23↓ 630.6%
24M
7:40/mi
3:02:28
↓ 821.3%
40K· 24.85 mi
7:48/mi
3:09:08
↓ 200.3%
25.2M
8:22/mi
3:12:01
↑ 13↓ 160.2%
Finish· 26.22 mi
7:22/mi
3:19:31
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:02
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:41:29
Pace7:44 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:2223:127:2823:12
7:28
-
10K
6.21 mi11:16:4146:317:2923:19
7:30
+0:02
15K
9.32 mi11:39:511:09:417:2923:10
7:27
-0:03
20K
12.43 mi12:03:051:32:557:2923:14
7:29
+0:02
Half
13.11 mi12:08:121:38:027:295:07
7:30
+0:01
25K
15.53 mi12:26:301:56:207:2918:18
7:33
+0:03
30K
18.64 mi12:50:282:20:187:3223:58
7:43
+0:10
20M
20.00 mi13:01:052:30:557:3310:37
7:49
+0:06
21M
21.00 mi13:09:212:39:117:358:16
8:16
+0:27
35K
21.75 mi13:15:082:44:587:355:47
7:44
-0:32
23M
23.00 mi13:24:582:54:487:369:50
7:51
+0:07
24M
24.00 mi13:32:383:02:287:367:40
7:40
-0:11
40K
24.85 mi13:39:183:09:087:376:40
7:48
+0:08
25.2M
25.20 mi13:42:113:12:017:372:53
8:22
+0:34
Finish
26.22 mi13:49:413:19:317:377:30
7:22
-1:00

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

7:22 /mi

Average Pace

7:37 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:22

94% of race

Time at Steady Pace

11:09

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:37 /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 mi10:53:2223:127:2823:12
7:28
#11933
10K
6.21 mi11:16:4146:317:2923:19
7:30
#12006
15K
9.32 mi11:39:511:09:417:2923:10
7:27
#11762
20K
12.43 mi12:03:051:32:557:2923:14
7:29
#11430
Half
13.11 mi12:08:121:38:027:295:07
7:30
#11453
25K
15.53 mi12:26:301:56:207:2918:18
7:33
#11233
30K
18.64 mi12:50:282:20:187:3223:58
7:43
#10823
20M
20.00 mi13:01:052:30:557:3310:37
7:49
#10652
21M
21.00 mi13:09:212:39:117:358:16
8:16
#10524
35K
21.75 mi13:15:082:44:587:355:47
7:44
#10488
23M
23.00 mi13:24:582:54:487:369:50
7:51
#10342
24M
24.00 mi13:32:383:02:287:367:40
7:40
#10240
40K
24.85 mi13:39:183:09:087:376:40
7:48
#10154
25.2M
25.20 mi13:42:113:12:017:372:53
8:22
#10103
Finish
26.22 mi13:49:413:19:317:377:30
7:22
#9999
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi119339139913911377(Top 40%)8776(Top 54%)8776(Top 440%)
10K6.21 mi3.10 mi12006-739155-169155-1612121(Top 43%)9202(Top 57%)9202(Top 461%)
15K9.32 mi3.11 mi11762+2449030+1259030+12511377(Top 40%)8776(Top 54%)8776(Top 440%)
20K12.43 mi3.11 mi11430+3328827+2038827+20310555(Top 37%)8286(Top 51%)8286(Top 415%)
Half13.11 mi0.68 mi11453-238839-128839-1211610(Top 41%)8820(Top 55%)8820(Top 442%)
25K15.53 mi2.42 mi11233+2208696+1438696+14310330(Top 36%)8050(Top 50%)8050(Top 403%)
30K18.64 mi3.11 mi10823+4108421+2758421+2759280(Top 33%)7303(Top 45%)7303(Top 366%)
20M20.00 mi1.36 mi10652+1718296+1258296+1259113(Top 32%)7063(Top 44%)7063(Top 354%)
21M21.00 mi1.00 mi10524+1288189+1078189+1078999(Top 32%)6818(Top 42%)6818(Top 342%)
35K21.75 mi0.75 mi10488+368156+338156+3310265(Top 36%)7499(Top 47%)7499(Top 376%)
23M23.00 mi1.25 mi10342+1468034+1228034+1228956(Top 32%)6703(Top 42%)6703(Top 336%)
24M24.00 mi1.00 mi10240+1027950+847950+848894(Top 31%)6601(Top 41%)6601(Top 331%)
40K24.85 mi0.85 mi10154+867872+787872+788724(Top 31%)6381(Top 40%)6381(Top 320%)
25.2M25.20 mi0.35 mi10103+517833+397833+397955(Top 28%)5896(Top 37%)5896(Top 295%)
Finish26.22 mi1.02 mi9999+1047753+807753+808191(Top 29%)6024(Top 37%)6024(Top 302%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

11377

Males

8776

M50-54

8776

5K→10K

3.1 - 6.2 mi

Top 43%
×5story building
+79ft-138ft

Overall

12121

Males

9202

M50-54

9202

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

11377

Males

8776

M50-54

8776

15K→20K

9.3 - 12.4 mi

Top 37%
×5story building
+106ft-86ft

Overall

10555

Males

8286

M50-54

8286

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

11610

Males

8820

M50-54

8820

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

10330

Males

8050

M50-54

8050

25K→30K

15.5 - 18.6 mi

Top 33%
×9story building
+181ft-148ft

Overall

9280

Males

7303

M50-54

7303

30K→20M

18.6 - 20.0 mi

Top 32%
×5story building
+64ft-50ft

Overall

9113

Males

7063

M50-54

7063

20M→21M

20.0 - 21.0 mi

Top 32%
×8story building
+106ft-24ft

Overall

8999

Males

6818

M50-54

6818

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

10265

Males

7499

M50-54

7499

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

8956

Males

6703

M50-54

6703

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

8894

Males

6601

M50-54

6601

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8724

Males

6381

M50-54

6381

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7955

Males

5896

M50-54

5896

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2story building
+22ft-21ft

Overall

8191

Males

6024

M50-54

6024

Passing Analysis

Category:
Athletes Passed
2600
Passed By
770
Net Change
+1830
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11933
5K → 10K214287-73#11933#12006
10K → 15K31672+244#12006#11762
15K → 20K37947+332#11762#11430
20K → Half2750-23#11430#11453
Half → 25K27555+220#11453#11233
25K → 30K46151+410#11233#10823
30K → 20M20130+171#10823#10652
20M → 21M17244+128#10652#10524
21M → 35K7034+36#10524#10488
35K → 23M18135+146#10488#10342
23M → 24M12826+102#10342#10240
24M → 40K11933+86#10240#10154
40K → 25.2M576+51#10154#10103
TOTALS2600770+1830
📊

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