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BOSTON MARATHON 2025

James Royston

Bib: 8798•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 25%
Gender (Male)
#0 / 16105
Top 37%
Masters (Masters Men)
#0 / 10463
Top 24%
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:01
Rank: #6037
Start → 5K
21:01 | 6:46/mi
10K· 6.21 mi
42:00
Rank: #5918 (+119)
5K → 10K
20:59 | 6:45/mi
15K· 9.32 mi
1:03:04
Rank: #5880 (+38)
10K → 15K
21:04 | 6:47/mi
20K· 12.43 mi
1:24:46
Rank: #6122 (-242)
15K → 20K
21:42 | 6:59/mi
Half· 13.11 mi
1:29:33
Rank: #6237 (-115)
20K → Half
4:47 | 7:01/mi
25K· 15.53 mi
1:47:10
Rank: #6554 (-317)
Half → 25K
17:37 | 7:16/mi
30K· 18.64 mi
2:10:33
Rank: #6691 (-137)
25K → 30K
23:23 | 7:32/mi
20M
2:20:59
Rank: #6707 (-16)
30K → 20M
10:26 | 7:41/mi
21M
2:29:04
Rank: #6689 (+18)
20M → 21M
8:05 | 8:05/mi
35K· 21.75 mi
2:34:46
Rank: #6729 (-40)
21M → 35K
5:42 | 7:37/mi
23M
2:44:35
Rank: #6793 (-64)
35K → 23M
9:49 | 7:50/mi
24M
2:52:18
Rank: #6852 (-59)
23M → 24M
7:43 | 7:43/mi
40K· 24.85 mi
2:59:10
Rank: #6937 (-85)
24M → 40K
6:52 | 8:02/mi
25.2M
3:02:12
Rank: #6973 (-36)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:09:49
Rank: #7005 (-32)
25.2M → Finish
7:37 | 7:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:33
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:40:16
Pace7:39 /mi
📊Positive Split: 12.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:1621:016:4621:01
6:46
-
10K
6.21 mi11:07:1542:006:4620:59
6:45
-0:01
15K
9.32 mi11:28:191:03:046:4621:04
6:47
+0:02
20K
12.43 mi11:50:011:24:466:4921:42
6:59
+0:12
Half
13.11 mi11:54:481:29:336:504:47
7:01
+0:02
25K
15.53 mi12:12:251:47:106:5417:37
7:16
+0:15
30K
18.64 mi12:35:482:10:337:0023:23
7:32
+0:16
20M
20.00 mi12:46:142:20:597:0310:26
7:41
+0:09
21M
21.00 mi12:54:192:29:047:068:05
8:05
+0:24
35K
21.75 mi13:00:012:34:467:075:42
7:37
-0:28
23M
23.00 mi13:09:502:44:357:099:49
7:50
+0:13
24M
24.00 mi13:17:332:52:187:117:43
7:43
-0:07
40K
24.85 mi13:24:252:59:107:136:52
8:02
+0:19
25.2M
25.20 mi13:27:273:02:127:143:02
8:48
+0:46
Finish
26.22 mi13:35:043:09:497:157:37
7:28
-1:20

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

6:45 /mi

Average Pace

7:15 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:33

47% of race

Time at Steady Pace

1:12:28

38% of race

Time at Slower Pace

27:48

15% of race

Average Pace: 7:14 /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 mi10:46:1621:016:4621:01
6:46
#6037
10K
6.21 mi11:07:1542:006:4620:59
6:45
#5918
15K
9.32 mi11:28:191:03:046:4621:04
6:47
#5880
20K
12.43 mi11:50:011:24:466:4921:42
6:59
#6122
Half
13.11 mi11:54:481:29:336:504:47
7:01
#6237
25K
15.53 mi12:12:251:47:106:5417:37
7:16
#6554
30K
18.64 mi12:35:482:10:337:0023:23
7:32
#6691
20M
20.00 mi12:46:142:20:597:0310:26
7:41
#6707
21M
21.00 mi12:54:192:29:047:068:05
8:05
#6689
35K
21.75 mi13:00:012:34:467:075:42
7:37
#6729
23M
23.00 mi13:09:502:44:357:099:49
7:50
#6793
24M
24.00 mi13:17:332:52:187:117:43
7:43
#6852
40K
24.85 mi13:24:252:59:107:136:52
8:02
#6937
25.2M
25.20 mi13:27:273:02:127:143:02
8:48
#6973
Finish
26.22 mi13:35:043:09:497:157:37
7:28
#7005
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6037554555455887(Top 21%)5361(Top 33%)5361(Top 239%)
10K6.21 mi3.10 mi5918+1195441+1045441+1045875(Top 21%)5376(Top 33%)5376(Top 239%)
15K9.32 mi3.11 mi5880+385396+455396+455887(Top 21%)5361(Top 33%)5361(Top 239%)
20K12.43 mi3.11 mi6122-2425584-1885584-1886774(Top 24%)6035(Top 37%)6035(Top 269%)
Half13.11 mi0.68 mi6237-1155668-845668-847616(Top 27%)6637(Top 41%)6637(Top 295%)
25K15.53 mi2.42 mi6554-3175909-2415909-2418086(Top 28%)6811(Top 42%)6811(Top 303%)
30K18.64 mi3.11 mi6691-1375974-655974-657915(Top 28%)6524(Top 41%)6524(Top 290%)
20M20.00 mi1.36 mi6707-165966+85966+88169(Top 29%)6537(Top 41%)6537(Top 291%)
21M21.00 mi1.00 mi6689+185930+365930+367813(Top 28%)6142(Top 38%)6142(Top 273%)
35K21.75 mi0.75 mi6729-405941-115941-119407(Top 33%)7050(Top 44%)7050(Top 314%)
23M23.00 mi1.25 mi6793-645954-135954-138833(Top 31%)6621(Top 41%)6621(Top 295%)
24M24.00 mi1.00 mi6852-595969-155969-159166(Top 32%)6726(Top 42%)6726(Top 299%)
40K24.85 mi0.85 mi6937-855997-285997-2810375(Top 37%)7221(Top 45%)7221(Top 321%)
25.2M25.20 mi0.35 mi6973-366010-136010-1310460(Top 37%)7152(Top 44%)7152(Top 318%)
Finish26.22 mi1.02 mi7005-325997+135997+138973(Top 32%)6413(Top 40%)6413(Top 285%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5887

Males

5361

M40-44

5361

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5875

Males

5376

M40-44

5376

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5887

Males

5361

M40-44

5361

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6774

Males

6035

M40-44

6035

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7616

Males

6637

M40-44

6637

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

8086

Males

6811

M40-44

6811

25K→30K

15.5 - 18.6 mi

Top 28%
×9stories
+181ft-148ft

Overall

7915

Males

6524

M40-44

6524

30K→20M

18.6 - 20.0 mi

Top 29%
×5stories
+64ft-50ft

Overall

8169

Males

6537

M40-44

6537

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

7813

Males

6142

M40-44

6142

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

9407

Males

7050

M40-44

7050

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

8833

Males

6621

M40-44

6621

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

9166

Males

6726

M40-44

6726

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

10375

Males

7221

M40-44

7221

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

10460

Males

7152

M40-44

7152

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2stories
+22ft-21ft

Overall

8973

Males

6413

M40-44

6413

Passing Analysis

Category:
Athletes Passed
1110
Passed By
2078
Net Change
-968
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6037
5K → 10K236117+119#6037#5918
10K → 15K154116+38#5918#5880
15K → 20K85327-242#5880#6122
20K → Half5120-115#6122#6237
Half → 25K54371-317#6237#6554
25K → 30K134271-137#6554#6691
30K → 20M8399-16#6691#6707
20M → 21M8567+18#6707#6689
21M → 35K3373-40#6689#6729
35K → 23M79143-64#6729#6793
23M → 24M54113-59#6793#6852
24M → 40K36121-85#6852#6937
40K → 25.2M1248-36#6937#6973
25.2M → Finish6092-32#6973#7005
TOTALS11102078-968
📊

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