David Ross

Bib: 9938M

WI

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 40%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Top 42%
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
23:37
3.11 mi
Rank: #13635
Start5K
23:37 | 7:37/mi
10K
47:51
6.21 mi
Rank: #14634 (-999)
5K10K
24:14 | 7:48/mi
15K
1:11:58
9.32 mi
Rank: #14714 (-80)
10K15K
24:07 | 7:46/mi
20K
1:36:08
12.43 mi
Rank: #14602 (+112)
15K20K
24:10 | 7:47/mi
HALF
1:41:20
13.11 mi
Rank: #14580 (+22)
20KHALF
5:12 | 7:38/mi
25K
2:00:08
15.53 mi
Rank: #14361 (+219)
HALF25K
18:48 | 7:46/mi
30K
2:24:09
18.64 mi
Rank: #13783 (+578)
25K30K
24:01 | 7:44/mi
20M
2:34:44
20.00 mi
Rank: #13559 (+224)
30K20M
10:35 | 7:48/mi
21M
2:42:46
21.00 mi
Rank: #13343
20M21M
8:02 | 8:02/mi
35K
2:48:04
21.75 mi
Rank: #13130
21M35K
5:18 | 7:06/mi
23M
2:56:59
23.00 mi
Rank: #12705
35K23M
8:55 | 7:08/mi
24M
3:04:02
24.00 mi
Rank: #12427
23M24M
7:03 | 7:03/mi
40K
3:10:00
24.85 mi
Rank: #12107
24M40K
5:58 | 6:59/mi
25.2M
3:12:34
25.20 mi
Rank: #11956
40K25.2M
2:34 | 7:27/mi
FINISH
3:19:24
26.22 mi
Rank: #11659
25.2MFINISH
6:50 | 6:43/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:41:20
Pace7:44 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:38:04
Pace7:29 /mi
📊Negative Split: 3.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:40:1623:377:3723:37
7:37
-
10K
6.21 mi11:04:3047:517:4324:14
7:48
+0:11
15K
9.32 mi11:28:371:11:587:4424:07
7:46
-0:02
20K
12.43 mi11:52:471:36:087:4524:10
7:47
+0:01
HALF
13.11 mi11:57:591:41:207:445:12
7:38
-0:09
25K
15.53 mi12:16:472:00:087:4518:48
7:46
+0:08
30K
18.64 mi12:40:482:24:097:4424:01
7:44
-0:02
20M
20.00 mi12:51:232:34:447:4510:35
7:48
+0:04
21M
21.00 mi12:59:252:42:467:468:02
8:02
+0:14
35K
21.75 mi13:04:432:48:047:445:18
7:06
-0:56
23M
23.00 mi13:13:382:56:597:428:55
7:08
+0:02
24M
24.00 mi13:20:413:04:027:417:03
7:03
-0:05
40K
24.85 mi13:26:393:10:007:395:58
6:59
-0:04
25.2M
25.20 mi13:29:133:12:347:392:34
7:27
+0:28
FINISH
26.22 mi13:36:033:19:247:376:50
6:43
-0:44

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

6:43 /mi

Average Pace

7:37 /mi

Slowest Pace

8:02 /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

34:04

17% of race

Time at Steady Pace

2:37:18

79% of race

Time at Slower Pace

8:02

4% of race

Average Pace: 7:36 /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 mi10:40:1623:377:3723:37
7:37
#13635
10K
6.21 mi11:04:3047:517:4324:14
7:48
#14634
15K
9.32 mi11:28:371:11:587:4424:07
7:46
#14714
20K
12.43 mi11:52:471:36:087:4524:10
7:47
#14602
HALF
13.11 mi11:57:591:41:207:445:12
7:38
#14580
25K
15.53 mi12:16:472:00:087:4518:48
7:46
#14361
30K
18.64 mi12:40:482:24:097:4424:01
7:44
#13783
20M
20.00 mi12:51:232:34:447:4510:35
7:48
#13559
21M
21.00 mi12:59:252:42:467:468:02
8:02
#13343
35K
21.75 mi13:04:432:48:047:445:18
7:06
#13130
23M
23.00 mi13:13:382:56:597:428:55
7:08
#12705
24M
24.00 mi13:20:413:04:027:417:03
7:03
#12427
40K
24.85 mi13:26:393:10:007:395:58
6:59
#12107
25.2M
25.20 mi13:29:133:12:347:392:34
7:27
#11956
FINISH
26.22 mi13:36:033:19:247:376:50
6:43
#11659
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 mi136359715971515003(Top 52%)10193(Top 62%)10193(Top 422%)
10K6.21 mi3.10 mi14634-99910099-38410099-38415624(Top 54%)10465(Top 64%)10465(Top 434%)
15K9.32 mi3.11 mi14714-8010089+1010089+1015003(Top 52%)10193(Top 62%)10193(Top 422%)
20K12.43 mi3.11 mi14602+11210055+3410055+3414325(Top 49%)9870(Top 60%)9870(Top 409%)
HALF13.11 mi0.68 mi14580+2210047+810047+814034(Top 48%)9793(Top 60%)9793(Top 406%)
25K15.53 mi2.42 mi14361+2199923+1249923+12413418(Top 46%)9393(Top 57%)9393(Top 389%)
30K18.64 mi3.11 mi13783+5789658+2659658+26511460(Top 39%)8414(Top 51%)8414(Top 349%)
20M20.00 mi1.36 mi13559+2249529+1299529+12911255(Top 39%)8199(Top 50%)8199(Top 340%)
21M21.00 mi1.00 mi13343+2169409+1209409+12010102(Top 35%)7531(Top 46%)7531(Top 312%)
35K21.75 mi0.75 mi13130+2139305+1049305+1047744(Top 27%)6293(Top 39%)6293(Top 261%)
23M23.00 mi1.25 mi12705+4259099+2069099+2066310(Top 22%)5311(Top 33%)5311(Top 220%)
24M24.00 mi1.00 mi12427+2788946+1538946+1536836(Top 24%)5598(Top 34%)5598(Top 232%)
40K24.85 mi0.85 mi12107+3208769+1778769+1775395(Top 19%)4572(Top 28%)4572(Top 189%)
25.2M25.20 mi0.35 mi11956+1518703+668703+664956(Top 17%)4217(Top 26%)4217(Top 175%)
FINISH26.22 mi1.02 mi11659+2978540+1638540+1635504(Top 19%)4549(Top 28%)4549(Top 189%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21
+97ft-345ft

Overall

15003

Males

10193

M45-49

10193

5K→10K

3.1 - 6.2 mi

Top 54%
×5
+79ft-138ft

Overall

15624

Males

10465

M45-49

10465

10K→15K

6.2 - 9.3 mi

Top 52%
×3
+67ft-78ft

Overall

15003

Males

10193

M45-49

10193

15K→20K

9.3 - 12.4 mi

Top 49%
×5
+106ft-86ft

Overall

14325

Males

9870

M45-49

9870

20K→HALF

12.4 - 13.1 mi

Top 48%
×2
+19ft-37ft

Overall

14034

Males

9793

M45-49

9793

HALF→25K

13.1 - 15.5 mi

Top 46%
×4
+66ft-88ft

Overall

13418

Males

9393

M45-49

9393

25K→30K

15.5 - 18.6 mi

Top 39%
×9
+181ft-148ft

Overall

11460

Males

8414

M45-49

8414

30K→20M

18.6 - 20.0 mi

Top 39%
×5
+64ft-50ft

Overall

11255

Males

8199

M45-49

8199

20M→21M

20.0 - 21.0 mi

Top 35%
×8
+106ft-24ft

Overall

10102

Males

7531

M45-49

7531

21M→35K

21.0 - 21.8 mi

Top 27%
×7
+17ft-86ft

Overall

7744

Males

6293

M45-49

6293

35K→23M

21.8 - 23.0 mi

Top 22%
×5
+23ft-63ft

Overall

6310

Males

5311

M45-49

5311

23M→24M

23.0 - 24.0 mi

Top 24%
×6
+12ft-82ft

Overall

6836

Males

5598

M45-49

5598

24M→40K

24.0 - 24.9 mi

Top 19%
×1
+6ft-20ft

Overall

5395

Males

4572

M45-49

4572

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1
+13ft-16ft

Overall

4956

Males

4217

M45-49

4217

25.2M→FINISH

25.2 - 26.2 mi

Top 19%
×2
+22ft-21ft

Overall

5504

Males

4549

M45-49

4549

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Position interactions are being recalculated

Started about 4 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