Dave Lange

Bib: 11117M

IL

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M45-49)
#0 / 2413
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
25:02
3.11 mi
Rank: #17332
Start5K
25:02 | 8:04/mi
10K
50:09
6.21 mi
Rank: #17582 (-250)
5K10K
25:07 | 8:06/mi
15K
1:14:56
9.32 mi
Rank: #17341 (+241)
10K15K
24:47 | 7:59/mi
20K
1:39:42
12.43 mi
Rank: #16963 (+378)
15K20K
24:46 | 7:59/mi
HALF
1:45:09
13.11 mi
Rank: #16962 (+1)
20KHALF
5:27 | 8:00/mi
25K
2:04:29
15.53 mi
Rank: #16667 (+295)
HALF25K
19:20 | 7:59/mi
30K
2:29:44
18.64 mi
Rank: #16219 (+448)
25K30K
25:15 | 8:08/mi
20M
2:40:45
20.00 mi
Rank: #16039 (+180)
30K20M
11:01 | 8:07/mi
21M
2:49:18
21.00 mi
Rank: #15844 (+195)
20M21M
8:33 | 8:33/mi
35K
2:55:17
21.75 mi
Rank: #15770 (+74)
21M35K
5:59 | 8:00/mi
23M
3:05:31
23.00 mi
Rank: #15614 (+156)
35K23M
10:14 | 8:11/mi
24M
3:13:12
24.00 mi
Rank: #15447
23M24M
7:41 | 7:41/mi
40K
3:19:51
24.85 mi
Rank: #15263
24M40K
6:39 | 7:47/mi
25.2M
3:22:28
25.20 mi
Rank: #15079
40K25.2M
2:37 | 7:36/mi
FINISH
3:29:28
26.22 mi
Rank: #14768
25.2MFINISH
7:00 | 6:53/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:45:09
Pace8:02 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:44:19
Pace7:58 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:43:5125:028:0425:02
8:04
-
10K
6.21 mi11:08:5850:098:0525:07
8:06
+0:02
15K
9.32 mi11:33:451:14:568:0324:47
7:59
-0:07
20K
12.43 mi11:58:311:39:428:0224:46
7:59
0:00
HALF
13.11 mi12:03:581:45:098:025:27
8:00
+0:01
25K
15.53 mi12:23:182:04:298:0119:20
7:59
-0:01
30K
18.64 mi12:48:332:29:448:0225:15
8:08
+0:09
20M
20.00 mi12:59:342:40:458:0311:01
8:07
-0:01
21M
21.00 mi13:08:072:49:188:048:33
8:33
+0:26
35K
21.75 mi13:14:062:55:178:045:59
8:00
-0:33
23M
23.00 mi13:24:203:05:318:0410:14
8:11
+0:11
24M
24.00 mi13:32:013:13:128:047:41
7:41
-0:30
40K
24.85 mi13:38:403:19:518:036:39
7:47
+0:06
25.2M
25.20 mi13:41:173:22:288:032:37
7:36
-0:11
FINISH
26.22 mi13:48:173:29:288:007:00
6:53
-0:43

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

6:53 /mi

Average Pace

8:00 /mi

Slowest Pace

8:33 /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

23:57

11% of race

Time at Steady Pace

2:46:44

80% of race

Time at Slower Pace

18:47

9% of race

Average Pace: 7:59 /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 mi10:43:5125:028:0425:02
8:04
#17332
10K
6.21 mi11:08:5850:098:0525:07
8:06
#17582
15K
9.32 mi11:33:451:14:568:0324:47
7:59
#17341
20K
12.43 mi11:58:311:39:428:0224:46
7:59
#16963
HALF
13.11 mi12:03:581:45:098:025:27
8:00
#16962
25K
15.53 mi12:23:182:04:298:0119:20
7:59
#16667
30K
18.64 mi12:48:332:29:448:0225:15
8:08
#16219
20M
20.00 mi12:59:342:40:458:0311:01
8:07
#16039
21M
21.00 mi13:08:072:49:188:048:33
8:33
#15844
35K
21.75 mi13:14:062:55:178:045:59
8:00
#15770
23M
23.00 mi13:24:203:05:318:0410:14
8:11
#15614
24M
24.00 mi13:32:013:13:128:047:41
7:41
#15447
40K
24.85 mi13:38:403:19:518:036:39
7:47
#15263
25.2M
25.20 mi13:41:173:22:288:032:37
7:36
#15079
FINISH
26.22 mi13:48:173:29:288:007:00
6:53
#14768
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 mi17332111531115316819(Top 58%)10947(Top 67%)10947(Top 454%)
10K6.21 mi3.10 mi17582-25011258-10511258-10517840(Top 61%)11359(Top 70%)11359(Top 471%)
15K9.32 mi3.11 mi17341+24111144+11411144+11416819(Top 58%)10947(Top 67%)10947(Top 454%)
20K12.43 mi3.11 mi16963+37810979+16510979+16515905(Top 55%)10505(Top 64%)10505(Top 435%)
HALF13.11 mi0.68 mi16962+110974+510974+517011(Top 59%)10996(Top 67%)10996(Top 456%)
25K15.53 mi2.42 mi16667+29510848+12610848+12615176(Top 52%)10154(Top 62%)10154(Top 421%)
30K18.64 mi3.11 mi16219+44810610+23810610+23814400(Top 50%)9721(Top 59%)9721(Top 403%)
20M20.00 mi1.36 mi16039+18010528+8210528+8213600(Top 47%)9269(Top 57%)9269(Top 384%)
21M21.00 mi1.00 mi15844+19510431+9710431+9713427(Top 46%)9110(Top 56%)9110(Top 378%)
35K21.75 mi0.75 mi15770+7410391+4010391+4014451(Top 50%)9520(Top 58%)9520(Top 395%)
23M23.00 mi1.25 mi15614+15610297+9410297+9413619(Top 47%)9069(Top 56%)9069(Top 376%)
24M24.00 mi1.00 mi15447+16710210+8710210+8711414(Top 39%)7986(Top 49%)7986(Top 331%)
40K24.85 mi0.85 mi15263+18410120+9010120+9010864(Top 37%)7642(Top 47%)7642(Top 317%)
25.2M25.20 mi0.35 mi15079+18410036+8410036+845790(Top 20%)4806(Top 29%)4806(Top 199%)
FINISH26.22 mi1.02 mi14768+3119885+1519885+1516607(Top 23%)5267(Top 32%)5267(Top 218%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21
+97ft-345ft

Overall

16819

Males

10947

M45-49

10947

5K→10K

3.1 - 6.2 mi

Top 61%
×5
+79ft-138ft

Overall

17840

Males

11359

M45-49

11359

10K→15K

6.2 - 9.3 mi

Top 58%
×3
+67ft-78ft

Overall

16819

Males

10947

M45-49

10947

15K→20K

9.3 - 12.4 mi

Top 55%
×5
+106ft-86ft

Overall

15905

Males

10505

M45-49

10505

20K→HALF

12.4 - 13.1 mi

Top 59%
×2
+19ft-37ft

Overall

17011

Males

10996

M45-49

10996

HALF→25K

13.1 - 15.5 mi

Top 52%
×4
+66ft-88ft

Overall

15176

Males

10154

M45-49

10154

25K→30K

15.5 - 18.6 mi

Top 50%
×9
+181ft-148ft

Overall

14400

Males

9721

M45-49

9721

30K→20M

18.6 - 20.0 mi

Top 47%
×5
+64ft-50ft

Overall

13600

Males

9269

M45-49

9269

20M→21M

20.0 - 21.0 mi

Top 46%
×8
+106ft-24ft

Overall

13427

Males

9110

M45-49

9110

21M→35K

21.0 - 21.8 mi

Top 50%
×7
+17ft-86ft

Overall

14451

Males

9520

M45-49

9520

35K→23M

21.8 - 23.0 mi

Top 47%
×5
+23ft-63ft

Overall

13619

Males

9069

M45-49

9069

23M→24M

23.0 - 24.0 mi

Top 39%
×6
+12ft-82ft

Overall

11414

Males

7986

M45-49

7986

24M→40K

24.0 - 24.9 mi

Top 37%
×1
+6ft-20ft

Overall

10864

Males

7642

M45-49

7642

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1
+13ft-16ft

Overall

5790

Males

4806

M45-49

4806

25.2M→FINISH

25.2 - 26.2 mi

Top 23%
×2
+22ft-21ft

Overall

6607

Males

5267

M45-49

5267

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Position interactions are being recalculated

Started about 5 hours 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