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BOSTON MARATHON 2026

Bradley Geilfuss

Bib: 6208•M

CA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M50-54)
#0 / 1868
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
20:32
3.11 mi
Rank: #5087
Start → 5K
20:32 | 6:37/mi
10K
41:02
6.21 mi
Rank: #5016 (+71)
5K → 10K
20:30 | 6:36/mi
15K
1:01:53
9.32 mi
Rank: #5279 (-263)
10K → 15K
20:51 | 6:43/mi
20K
1:22:23
12.43 mi
Rank: #5015 (+264)
15K → 20K
20:30 | 6:36/mi
HALF
1:26:55
13.11 mi
Rank: #5037 (-22)
20K → HALF
4:32 | 6:40/mi
25K
1:42:59
15.53 mi
Rank: #4892 (+145)
HALF → 25K
16:04 | 6:38/mi
30K
2:04:30
18.64 mi
Rank: #4906 (-14)
25K → 30K
21:31 | 6:56/mi
20M
2:14:20
20.00 mi
Rank: #5069 (-163)
30K → 20M
9:50 | 7:15/mi
21M
2:22:02
21.00 mi
Rank: #5239 (-170)
20M → 21M
7:42 | 7:42/mi
35K
3:19:05
21.75 mi
Rank: #21875 (-16636)
21M → 35K
57:03 | 76:16/mi
23M
3:28:57
23.00 mi
Rank: #21453 (+422)
35K → 23M
9:52 | 7:54/mi
24M
3:36:29
24.00 mi
Rank: #21112 (+341)
23M → 24M
7:32 | 7:32/mi
40K
3:42:56
24.85 mi
Rank: #20763 (+349)
24M → 40K
6:27 | 7:33/mi
25.2M
3:45:41
25.20 mi
Rank: #20624 (+139)
40K → 25.2M
2:45 | 7:59/mi
FINISH
3:52:58
26.22 mi
Rank: #20263 (+361)
25.2M → FINISH
7:17 | 7:09/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:26:55
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time2:26:03
Pace11:09 /mi
📊Positive Split: 68.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:5920:326:3720:32
6:37
-
10K
6.21 mi10:46:2941:026:3720:30
6:36
-0:01
15K
9.32 mi11:07:201:01:536:3920:51
6:43
+0:07
20K
12.43 mi11:27:501:22:236:3820:30
6:36
-0:07
HALF
13.11 mi11:32:221:26:556:384:32
6:40
+0:04
25K
15.53 mi11:48:261:42:596:3816:04
6:38
-0:02
30K
18.64 mi12:09:572:04:306:4121:31
6:56
+0:18
20M
20.00 mi12:19:472:14:206:449:50
7:15
+0:19
21M
21.00 mi12:27:292:22:026:467:42
7:42
+0:27
35K
21.75 mi13:24:323:19:059:1057:03
76:16
+68:34
23M
23.00 mi13:34:243:28:579:069:52
7:54
-68:22
24M
24.00 mi13:41:563:36:299:027:32
7:32
-0:22
40K
24.85 mi13:48:233:42:568:596:27
7:33
+0:01
25.2M
25.20 mi13:51:083:45:418:582:45
7:59
+0:26
FINISH
26.22 mi13:58:253:52:588:547:17
7:09
-0:50

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

8:54 /mi

Slowest Pace

76:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:55:55

76% of race

Time at Slower Pace

57:03

24% of race

Average Pace: 8:53 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:25:5920:326:3720:32
6:37
#5087
10K
6.21 mi10:46:2941:026:3720:30
6:36
#5016
15K
9.32 mi11:07:201:01:536:3920:51
6:43
#5279
20K
12.43 mi11:27:501:22:236:3820:30
6:36
#5015
HALF
13.11 mi11:32:221:26:556:384:32
6:40
#5037
25K
15.53 mi11:48:261:42:596:3816:04
6:38
#4892
30K
18.64 mi12:09:572:04:306:4121:31
6:56
#4906
20M
20.00 mi12:19:472:14:206:449:50
7:15
#5069
21M
21.00 mi12:27:292:22:026:467:42
7:42
#5239
35K
21.75 mi13:24:323:19:059:1057:03
76:16
#21875
23M
23.00 mi13:34:243:28:579:069:52
7:54
#21453
24M
24.00 mi13:41:563:36:299:027:32
7:32
#21112
40K
24.85 mi13:48:233:42:568:596:27
7:33
#20763
25.2M
25.20 mi13:51:083:45:418:582:45
7:59
#20624
FINISH
26.22 mi13:58:253:52:588:547:17
7:09
#20263
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi5087474547455959(Top 21%)5404(Top 33%)5404(Top 289%)
10K6.21 mi3.10 mi5016+714684+614684+615025(Top 17%)4687(Top 29%)4687(Top 251%)
15K9.32 mi3.11 mi5279-2634903-2194903-2195959(Top 21%)5404(Top 33%)5404(Top 289%)
20K12.43 mi3.11 mi5015+2644674+2294674+2294435(Top 15%)4168(Top 26%)4168(Top 223%)
HALF13.11 mi0.68 mi5037-224699-254699-255761(Top 20%)5239(Top 32%)5239(Top 280%)
25K15.53 mi2.42 mi4892+1454569+1304569+1304316(Top 15%)4033(Top 25%)4033(Top 216%)
30K18.64 mi3.11 mi4906-144565+44565+45363(Top 18%)4818(Top 29%)4818(Top 258%)
20M20.00 mi1.36 mi5069-1634692-1274692-1277242(Top 25%)6063(Top 37%)6063(Top 325%)
21M21.00 mi1.00 mi5239-1704817-1254817-1257839(Top 27%)6285(Top 38%)6285(Top 336%)
35K21.75 mi0.75 mi21875-1663613125-830813125-830829021(Top 100%)16340(Top 100%)16340(Top 875%)
23M23.00 mi1.25 mi21453+42212925+20012925+20011637(Top 40%)8186(Top 50%)8186(Top 438%)
24M24.00 mi1.00 mi21112+34112739+18612739+18610337(Top 36%)7481(Top 46%)7481(Top 400%)
40K24.85 mi0.85 mi20763+34912563+17612563+1769167(Top 32%)6786(Top 42%)6786(Top 363%)
25.2M25.20 mi0.35 mi20624+13912483+8012483+808206(Top 28%)6241(Top 38%)6241(Top 334%)
FINISH26.22 mi1.02 mi20263+36112283+20012283+2008708(Top 30%)6446(Top 39%)6446(Top 345%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21
+97ft-345ft

Overall

5959

Males

5404

M50-54

5404

5K→10K

3.1 - 6.2 mi

Top 17%
×5
+79ft-138ft

Overall

5025

Males

4687

M50-54

4687

10K→15K

6.2 - 9.3 mi

Top 21%
×3
+67ft-78ft

Overall

5959

Males

5404

M50-54

5404

15K→20K

9.3 - 12.4 mi

Top 15%
×5
+106ft-86ft

Overall

4435

Males

4168

M50-54

4168

20K→HALF

12.4 - 13.1 mi

Top 20%
×2
+19ft-37ft

Overall

5761

Males

5239

M50-54

5239

HALF→25K

13.1 - 15.5 mi

Top 15%
×4
+66ft-88ft

Overall

4316

Males

4033

M50-54

4033

25K→30K

15.5 - 18.6 mi

Top 18%
×9
+181ft-148ft

Overall

5363

Males

4818

M50-54

4818

30K→20M

18.6 - 20.0 mi

Top 25%
×5
+64ft-50ft

Overall

7242

Males

6063

M50-54

6063

20M→21M

20.0 - 21.0 mi

Top 27%
×8
+106ft-24ft

Overall

7839

Males

6285

M50-54

6285

21M→35K

21.0 - 21.8 mi

Top 100%
×7
+17ft-86ft

Overall

29021

Males

16340

M50-54

16340

35K→23M

21.8 - 23.0 mi

Top 40%
×5
+23ft-63ft

Overall

11637

Males

8186

M50-54

8186

23M→24M

23.0 - 24.0 mi

Top 36%
×6
+12ft-82ft

Overall

10337

Males

7481

M50-54

7481

24M→40K

24.0 - 24.9 mi

Top 32%
×1
+6ft-20ft

Overall

9167

Males

6786

M50-54

6786

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1
+13ft-16ft

Overall

8206

Males

6241

M50-54

6241

25.2M→FINISH

25.2 - 26.2 mi

Top 30%
×2
+22ft-21ft

Overall

8708

Males

6446

M50-54

6446

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2481
Passed By
17655
Net Change
-15176
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5087
5K → 10K212141+71#5087#5016
10K → 15K43306-263#5016#5279
15K → 20K2728+264#5279#5015
20K → HALF931-22#5015#5037
HALF → 25K16722+145#5037#4892
25K → 30K115129-14#4892#4906
30K → 20M20183-163#4906#5069
20M → 21M30200-170#5069#5239
21M → 35K016634-16636#5239#21875
35K → 23M4220+422#21875#21453
23M → 24M3410+341#21453#21112
24M → 40K3490+349#21112#20763
40K → 25.2M1401+139#20763#20624
25.2M → FINISH3610+361#20624#20263
TOTALS248117655-15176
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing