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BOSTON MARATHON 2026

Dana Sanford

Bib: 9051•M

MD

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 15%
Gender (Male)
#0 / 16340
Top 25%
Masters (Masters Men)
#0 / 10617
Top 11%
Age Group (M45-49)
#0 / 2413
Top 13%
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
21:40
3.11 mi
Rank: #8317
Start → 5K
21:40 | 6:59/mi
10K
42:19
6.21 mi
Rank: #6975 (+1342)
5K → 10K
20:39 | 6:39/mi
15K
1:03:03
9.32 mi
Rank: #6488
10K → 15K
20:44 | 6:41/mi
20K
1:23:47
12.43 mi
Rank: #6020
15K → 20K
20:44 | 6:41/mi
HALF
1:28:15
13.11 mi
Rank: #5950
20K → HALF
4:28 | 6:34/mi
25K
1:44:18
15.53 mi
Rank: #5632
HALF → 25K
16:03 | 6:38/mi
30K
2:05:00
18.64 mi
Rank: #5123
25K → 30K
20:42 | 6:40/mi
20M
2:14:00
20.00 mi
Rank: #4934
30K → 20M
9:00 | 6:38/mi
21M
2:20:57
21.00 mi
Rank: #4783
20M → 21M
6:57 | 6:57/mi
35K
2:25:45
21.75 mi
Rank: #4698
21M → 35K
4:48 | 6:25/mi
23M
2:34:05
23.00 mi
Rank: #4558
35K → 23M
8:20 | 6:40/mi
24M
2:40:36
24.00 mi
Rank: #4464
23M → 24M
6:31 | 6:31/mi
40K
2:46:16
24.85 mi
Rank: #4389
24M → 40K
5:40 | 6:38/mi
25.2M
2:48:46
25.20 mi
Rank: #4354
40K → 25.2M
2:30 | 7:15/mi
FINISH
2:55:37
26.22 mi
Rank: #4378
25.2M → FINISH
6:51 | 6:44/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:28:15
Pace6:44 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:27:22
Pace6:40 /mi
📊Negative Split: 1.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:37:1721:406:5921:40
6:59
-
10K
6.21 mi10:57:5642:196:4920:39
6:39
-0:20
15K
9.32 mi11:18:401:03:036:4620:44
6:41
+0:02
20K
12.43 mi11:39:241:23:476:4520:44
6:41
0:00
HALF
13.11 mi11:43:521:28:156:444:28
6:34
-0:07
25K
15.53 mi11:59:551:44:186:4316:03
6:38
+0:04
30K
18.64 mi12:20:372:05:006:4320:42
6:40
+0:02
20M
20.00 mi12:29:372:14:006:439:00
6:38
-0:02
21M
21.00 mi12:36:342:20:576:436:57
6:57
+0:19
35K
21.75 mi12:41:222:25:456:434:48
6:25
-0:32
23M
23.00 mi12:49:422:34:056:428:20
6:40
+0:15
24M
24.00 mi12:56:132:40:366:426:31
6:31
-0:09
40K
24.85 mi13:01:532:46:166:425:40
6:38
+0:07
25.2M
25.20 mi13:04:232:48:466:422:30
7:15
+0:37
FINISH
26.22 mi13:11:142:55:376:436:51
6:44
-0:31

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

6:25 /mi

Average Pace

6:42 /mi

Slowest Pace

7:15 /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

2:53:07

99% of race

Time at Steady Pace

2:30

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:42 /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 mi10:37:1721:406:5921:40
6:59
#8317
10K
6.21 mi10:57:5642:196:4920:39
6:39
#6975
15K
9.32 mi11:18:401:03:036:4620:44
6:41
#6488
20K
12.43 mi11:39:241:23:476:4520:44
6:41
#6020
HALF
13.11 mi11:43:521:28:156:444:28
6:34
#5950
25K
15.53 mi11:59:551:44:186:4316:03
6:38
#5632
30K
18.64 mi12:20:372:05:006:4320:42
6:40
#5123
20M
20.00 mi12:29:372:14:006:439:00
6:38
#4934
21M
21.00 mi12:36:342:20:576:436:57
6:57
#4783
35K
21.75 mi12:41:222:25:456:434:48
6:25
#4698
23M
23.00 mi12:49:422:34:056:428:20
6:40
#4558
24M
24.00 mi12:56:132:40:366:426:31
6:31
#4464
40K
24.85 mi13:01:532:46:166:425:40
6:38
#4389
25.2M
25.20 mi13:04:232:48:466:422:30
7:15
#4354
FINISH
26.22 mi13:11:142:55:376:436:51
6:44
#4378
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi8317711071105578(Top 19%)5122(Top 31%)5122(Top 212%)
10K6.21 mi3.10 mi6975+13426188+9226188+9225424(Top 19%)5006(Top 31%)5006(Top 207%)
15K9.32 mi3.11 mi6488+4875825+3635825+3635578(Top 19%)5122(Top 31%)5122(Top 212%)
20K12.43 mi3.11 mi6020+4685473+3525473+3524962(Top 17%)4609(Top 28%)4609(Top 191%)
HALF13.11 mi0.68 mi5950+705419+545419+544793(Top 17%)4465(Top 27%)4465(Top 185%)
25K15.53 mi2.42 mi5632+3185164+2555164+2554253(Top 15%)3977(Top 24%)3977(Top 165%)
30K18.64 mi3.11 mi5123+5094740+4244740+4243484(Top 12%)3274(Top 20%)3274(Top 136%)
20M20.00 mi1.36 mi4934+1894578+1624578+1623094(Top 11%)2903(Top 18%)2903(Top 120%)
21M21.00 mi1.00 mi4783+1514443+1354443+1353193(Top 11%)2963(Top 18%)2963(Top 123%)
35K21.75 mi0.75 mi4698+854363+804363+803130(Top 11%)2917(Top 18%)2917(Top 121%)
23M23.00 mi1.25 mi4558+1404230+1334230+1333260(Top 11%)2995(Top 18%)2995(Top 124%)
24M24.00 mi1.00 mi4464+944138+924138+923255(Top 11%)2961(Top 18%)2961(Top 123%)
40K24.85 mi0.85 mi4389+754063+754063+753202(Top 11%)2894(Top 18%)2894(Top 120%)
25.2M25.20 mi0.35 mi4354+354029+344029+343815(Top 13%)3330(Top 20%)3330(Top 138%)
FINISH26.22 mi1.02 mi4378-244044-154044-155566(Top 19%)4580(Top 28%)4580(Top 190%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21
+97ft-345ft

Overall

5578

Males

5122

M45-49

5122

5K→10K

3.1 - 6.2 mi

Top 19%
×5
+79ft-138ft

Overall

5424

Males

5006

M45-49

5006

10K→15K

6.2 - 9.3 mi

Top 19%
×3
+67ft-78ft

Overall

5578

Males

5122

M45-49

5122

15K→20K

9.3 - 12.4 mi

Top 17%
×5
+106ft-86ft

Overall

4962

Males

4609

M45-49

4609

20K→HALF

12.4 - 13.1 mi

Top 17%
×2
+19ft-37ft

Overall

4793

Males

4465

M45-49

4465

HALF→25K

13.1 - 15.5 mi

Top 15%
×4
+66ft-88ft

Overall

4253

Males

3977

M45-49

3977

25K→30K

15.5 - 18.6 mi

Top 12%
×9
+181ft-148ft

Overall

3484

Males

3274

M45-49

3274

30K→20M

18.6 - 20.0 mi

Top 11%
×5
+64ft-50ft

Overall

3094

Males

2903

M45-49

2903

20M→21M

20.0 - 21.0 mi

Top 11%
×8
+106ft-24ft

Overall

3193

Males

2963

M45-49

2963

21M→35K

21.0 - 21.8 mi

Top 11%
×7
+17ft-86ft

Overall

3130

Males

2917

M45-49

2917

35K→23M

21.8 - 23.0 mi

Top 11%
×5
+23ft-63ft

Overall

3260

Males

2995

M45-49

2995

23M→24M

23.0 - 24.0 mi

Top 11%
×6
+12ft-82ft

Overall

3255

Males

2961

M45-49

2961

24M→40K

24.0 - 24.9 mi

Top 11%
×1
+6ft-20ft

Overall

3202

Males

2894

M45-49

2894

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1
+13ft-16ft

Overall

3815

Males

3330

M45-49

3330

25.2M→FINISH

25.2 - 26.2 mi

Top 19%
×2
+22ft-21ft

Overall

5566

Males

4580

M45-49

4580

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Position interactions are being recalculated

Started about 1 hour ago. This usually takes 10-20 minutes. Please check back shortly.

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