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BOSTON MARATHON 2025

Shaun Furzer

Bib: 8033•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 12%
Gender (Male)
#0 / 16105
Top 20%
Masters (Masters Men)
#0 / 10463
Top 8%
Division (M40-44)
#0 / 2247
Top 21%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:55
Rank: #5727
Start → 5K
6:44/mi
20:55 split
10K· 6.21 mi
41:39
Rank: #5396 (+331)
5K → 10K
6:40/mi
20:44 split
15K· 9.32 mi
1:02:11
Rank: #4972 (+424)
10K → 15K
6:37/mi
20:32 split
20K· 12.43 mi
1:22:56
Rank: #4764 (+208)
15K → 20K
6:41/mi
20:45 split
Half· 13.11 mi
1:27:17
Rank: #4628 (+136)
20K → Half
6:23/mi
4:21 split
25K· 15.53 mi
1:43:28
Rank: #4467 (+161)
Half → 25K
6:40/mi
16:11 split
30K· 18.64 mi
2:04:47
Rank: #4268 (+199)
25K → 30K
6:52/mi
21:19 split
20M
2:14:07
Rank: #4150 (+118)
30K → 20M
6:52/mi
9:20 split
21M
2:21:13
Rank: #4031 (+119)
20M → 21M
7:06/mi
7:06 split
35K· 21.75 mi
2:26:10
Rank: #3955 (+76)
21M → 35K
6:37/mi
4:57 split
23M
2:34:47
Rank: #3875 (+80)
35K → 23M
6:53/mi
8:37 split
24M
2:41:22
Rank: #3772 (+103)
23M → 24M
6:35/mi
6:35 split
40K· 24.85 mi
2:47:11
Rank: #3703 (+69)
24M → 40K
6:48/mi
5:49 split
25.2M
2:49:41
Rank: #3650 (+53)
40K → 25.2M
7:15/mi
2:30 split
Finish· 26.22 mi
2:56:03
Rank: #3506 (+144)
25.2M → Finish
6:15/mi
6:22 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:17
Pace6:39 /mi
2nd Half
Distance13.11 mi
Time1:28:46
Pace6:46 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:4520:556:4420:55
6:44
-
10K
6.21 mi10:49:2941:396:4220:44
6:40
-0:04
15K
9.32 mi11:10:011:02:116:4020:32
6:37
-0:03
20K
12.43 mi11:30:461:22:566:4020:45
6:41
+0:04
Half
13.11 mi11:35:071:27:176:394:21
6:23
-0:18
25K
15.53 mi11:51:181:43:286:4016:11
6:40
+0:17
30K
18.64 mi12:12:372:04:476:4221:19
6:52
+0:12
20M
20.00 mi12:21:572:14:076:429:20
6:52
0:00
21M
21.00 mi12:29:032:21:136:437:06
7:06
+0:14
35K
21.75 mi12:34:002:26:106:434:57
6:37
-0:29
23M
23.00 mi12:42:372:34:476:448:37
6:53
+0:16
24M
24.00 mi12:49:122:41:226:436:35
6:35
-0:18
40K
24.85 mi12:55:012:47:116:445:49
6:48
+0:13
25.2M
25.20 mi12:57:312:49:416:442:30
7:15
+0:27
Finish
26.22 mi13:03:532:56:036:436:22
6:15
-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

6:15 /mi

Average Pace

6:43 /mi

Slowest Pace

7:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37:50

90% of race

Time at Steady Pace

18:13

10% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:43 /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 mi10:28:4520:556:4420:55
6:44
#5727
10K
6.21 mi10:49:2941:396:4220:44
6:40
#5396
15K
9.32 mi11:10:011:02:116:4020:32
6:37
#4972
20K
12.43 mi11:30:461:22:566:4020:45
6:41
#4764
Half
13.11 mi11:35:071:27:176:394:21
6:23
#4628
25K
15.53 mi11:51:181:43:286:4016:11
6:40
#4467
30K
18.64 mi12:12:372:04:476:4221:19
6:52
#4268
20M
20.00 mi12:21:572:14:076:429:20
6:52
#4150
21M
21.00 mi12:29:032:21:136:437:06
7:06
#4031
35K
21.75 mi12:34:002:26:106:434:57
6:37
#3955
23M
23.00 mi12:42:372:34:476:448:37
6:53
#3875
24M
24.00 mi12:49:122:41:226:436:35
6:35
#3772
40K
24.85 mi12:55:012:47:116:445:49
6:48
#3703
25.2M
25.20 mi12:57:312:49:416:442:30
7:15
#3650
Finish
26.22 mi13:03:532:56:036:436:22
6:15
#3506
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5727528952894302(Top 15%)4040(Top 25%)4040(Top 180%)
10K6.21 mi3.10 mi5396+3314999+2904999+2905094(Top 18%)4746(Top 29%)4746(Top 211%)
15K9.32 mi3.11 mi4972+4244636+3634636+3634302(Top 15%)4040(Top 25%)4040(Top 180%)
20K12.43 mi3.11 mi4764+2084445+1914445+1914249(Top 15%)3977(Top 25%)3977(Top 177%)
Half13.11 mi0.68 mi4628+1364328+1174328+1172976(Top 10%)2843(Top 18%)2843(Top 127%)
25K15.53 mi2.42 mi4467+1614181+1474181+1473950(Top 14%)3689(Top 23%)3689(Top 164%)
30K18.64 mi3.11 mi4268+1993996+1853996+1853832(Top 13%)3540(Top 22%)3540(Top 158%)
20M20.00 mi1.36 mi4150+1183885+1113885+1113334(Top 12%)3085(Top 19%)3085(Top 137%)
21M21.00 mi1.00 mi4031+1193774+1113774+1112699(Top 10%)2509(Top 16%)2509(Top 112%)
35K21.75 mi0.75 mi3955+763698+763698+763074(Top 11%)2829(Top 18%)2829(Top 126%)
23M23.00 mi1.25 mi3875+803619+793619+793135(Top 11%)2865(Top 18%)2865(Top 128%)
24M24.00 mi1.00 mi3772+1033523+963523+962438(Top 9%)2254(Top 14%)2254(Top 100%)
40K24.85 mi0.85 mi3703+693457+663457+662879(Top 10%)2605(Top 16%)2605(Top 116%)
25.2M25.20 mi0.35 mi3650+533405+523405+522374(Top 8%)2127(Top 13%)2127(Top 95%)
Finish26.22 mi1.02 mi3506+1443274+1313274+1311714(Top 6%)1590(Top 10%)1590(Top 71%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21story building
+97ft-345ft

Overall

4302

Males

4040

M40-44

4040

5K→10K

3.1 - 6.2 mi

Top 18%
×5story building
+79ft-138ft

Overall

5094

Males

4746

M40-44

4746

10K→15K

6.2 - 9.3 mi

Top 15%
×3story building
+67ft-78ft

Overall

4302

Males

4040

M40-44

4040

15K→20K

9.3 - 12.4 mi

Top 15%
×5story building
+106ft-86ft

Overall

4249

Males

3977

M40-44

3977

20K→Half

12.4 - 13.1 mi

Top 10%
×2story building
+19ft-37ft

Overall

2976

Males

2843

M40-44

2843

Half→25K

13.1 - 15.5 mi

Top 14%
×4story building
+66ft-88ft

Overall

3950

Males

3689

M40-44

3689

25K→30K

15.5 - 18.6 mi

Top 13%
×9story building
+181ft-148ft

Overall

3832

Males

3540

M40-44

3540

30K→20M

18.6 - 20.0 mi

Top 12%
×5story building
+64ft-50ft

Overall

3334

Males

3085

M40-44

3085

20M→21M

20.0 - 21.0 mi

Top 10%
×8story building
+106ft-24ft

Overall

2699

Males

2509

M40-44

2509

21M→35K

21.0 - 21.8 mi

Top 11%
×7story building
+17ft-86ft

Overall

3074

Males

2829

M40-44

2829

35K→23M

21.8 - 23.0 mi

Top 11%
×5story building
+23ft-63ft

Overall

3135

Males

2865

M40-44

2865

23M→24M

23.0 - 24.0 mi

Top 9%
×6story building
+12ft-82ft

Overall

2438

Males

2254

M40-44

2254

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2879

Males

2605

M40-44

2605

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2374

Males

2127

M40-44

2127

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2story building
+22ft-21ft

Overall

1714

Males

1590

M40-44

1590

Passing Analysis

Category:
Athletes Passed
2496
Passed By
275
Net Change
+2221
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5727
5K → 10K39968+331#5727#5396
10K → 15K43814+424#5396#4972
15K → 20K24234+208#4972#4764
20K → Half1360+136#4764#4628
Half → 25K18928+161#4628#4467
25K → 30K25152+199#4467#4268
30K → 20M13214+118#4268#4150
20M → 21M12910+119#4150#4031
21M → 35K837+76#4031#3955
35K → 23M10525+80#3955#3875
23M → 24M1074+103#3875#3772
24M → 40K8213+69#3772#3703
40K → 25.2M563+53#3703#3650
25.2M → Finish1473+144#3650#3506
TOTALS2496275+2221
📊

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