David Armstrong

Bib: 6233M

TX

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 39%
Gender (Male)
#0 / 14578
Top 50%
Masters (Masters Men)
#0 / 9729
Top 41%
Division (M40-44)
#0 / 2009
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:17
Rank: #3506
Start5K
20:17 | 6:32/mi
10K· 6.21 mi
40:27
Rank: #3210 (+296)
5K10K
20:10 | 6:29/mi
15K· 9.32 mi
1:01:06
Rank: #3314 (-104)
10K15K
20:39 | 6:39/mi
20K· 12.43 mi
1:21:50
Rank: #3181 (+133)
15K20K
20:44 | 6:40/mi
Half· 13.11 mi
1:26:22
Rank: #3172 (+9)
20KHalf
4:32 | 6:39/mi
25K· 15.53 mi
1:42:56
Rank: #3149 (+23)
Half25K
16:34 | 6:50/mi
30K· 18.64 mi
2:05:35
Rank: #3292 (-143)
25K30K
22:39 | 7:17/mi
20M
2:15:47
Rank: #3375 (-83)
30K20M
10:12 | 7:30/mi
21M
2:23:47
Rank: #3396 (-21)
20M21M
8:00 | 8:00/mi
35K· 21.75 mi
2:29:29
Rank: #3472 (-76)
21M35K
5:42 | 7:37/mi
23M
2:39:31
Rank: #3594 (-122)
35K23M
10:02 | 8:01/mi
24M
2:56:15
Rank: #5577 (-1983)
23M24M
16:44 | 16:44/mi
40K· 24.85 mi
3:11:15
Rank: #7580 (-2003)
24M40K
15:00 | 17:33/mi
25.2M
3:17:59
Rank: #8496 (-916)
40K25.2M
6:44 | 19:31/mi
Finish· 26.22 mi
3:31:42
Rank: #9973 (-1477)
25.2MFinish
13:43 | 13:28/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:22
Pace6:35 /mi
2nd Half
Distance13.11 mi
Time2:05:20
Pace9:34 /mi
📊Positive Split: 45.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:3320:176:3220:17
6:32
-
10K
6.21 mi10:45:4340:276:3120:10
6:29
-0:03
15K
9.32 mi11:06:221:01:066:3320:39
6:39
+0:10
20K
12.43 mi11:27:061:21:506:3520:44
6:40
+0:01
Half
13.11 mi11:31:381:26:226:354:32
6:39
-0:01
25K
15.53 mi11:48:121:42:566:3816:34
6:50
+0:11
30K
18.64 mi12:10:512:05:356:4422:39
7:17
+0:27
20M
20.00 mi12:21:032:15:476:4710:12
7:30
+0:13
21M
21.00 mi12:29:032:23:476:518:00
8:00
+0:30
35K
21.75 mi12:34:452:29:296:525:42
7:37
-0:23
23M
23.00 mi12:44:472:39:316:5610:02
8:01
+0:24
24M
24.00 mi13:01:312:56:157:2116:44
16:44
+8:43
40K
24.85 mi13:16:313:11:157:4215:00
17:33
+0:49
25.2M
25.20 mi13:23:153:17:597:516:44
19:31
+1:58
Finish
26.22 mi13:36:583:31:428:0513:43
13:28
-6:03

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

6:29 /mi

Average Pace

8:05 /mi

Slowest Pace

19:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:39:31

75% of race

Time at Slower Pace

52:11

25% of race

Average Pace: 8:04 /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 mi10:25:3320:176:3220:17
6:32
#3506
10K
6.21 mi10:45:4340:276:3120:10
6:29
#3210
15K
9.32 mi11:06:221:01:066:3320:39
6:39
#3314
20K
12.43 mi11:27:061:21:506:3520:44
6:40
#3181
Half
13.11 mi11:31:381:26:226:354:32
6:39
#3172
25K
15.53 mi11:48:121:42:566:3816:34
6:50
#3149
30K
18.64 mi12:10:512:05:356:4422:39
7:17
#3292
20M
20.00 mi12:21:032:15:476:4710:12
7:30
#3375
21M
21.00 mi12:29:032:23:476:518:00
8:00
#3396
35K
21.75 mi12:34:452:29:296:525:42
7:37
#3472
23M
23.00 mi12:44:472:39:316:5610:02
8:01
#3594
24M
24.00 mi13:01:312:56:157:2116:44
16:44
#5577
40K
24.85 mi13:16:313:11:157:4215:00
17:33
#7580
25.2M
25.20 mi13:23:153:17:597:516:44
19:31
#8496
Finish
26.22 mi13:36:583:31:428:0513:43
13:28
#9973
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3506334233423567(Top 14%)3380(Top 23%)3380(Top 168%)
10K6.21 mi3.10 mi3210+2963060+2823060+2822956(Top 12%)2822(Top 19%)2822(Top 140%)
15K9.32 mi3.11 mi3314-1043153-933153-933567(Top 14%)3380(Top 23%)3380(Top 168%)
20K12.43 mi3.11 mi3181+1333033+1203033+1203063(Top 12%)2914(Top 20%)2914(Top 145%)
Half13.11 mi0.68 mi3172+93023+103023+103475(Top 14%)3293(Top 23%)3293(Top 164%)
25K15.53 mi2.42 mi3149+232997+262997+263409(Top 13%)3189(Top 22%)3189(Top 159%)
30K18.64 mi3.11 mi3292-1433115-1183115-1184171(Top 16%)3754(Top 26%)3754(Top 187%)
20M20.00 mi1.36 mi3375-833177-623177-624349(Top 17%)3813(Top 26%)3813(Top 190%)
21M21.00 mi1.00 mi3396-213183-63183-64181(Top 16%)3574(Top 25%)3574(Top 178%)
35K21.75 mi0.75 mi3472-763242-593242-595679(Top 22%)4507(Top 31%)4507(Top 224%)
23M23.00 mi1.25 mi3594-1223334-923334-925810(Top 23%)4428(Top 30%)4428(Top 220%)
24M24.00 mi1.00 mi5577-19834847-15134847-151325281(Top 99%)14380(Top 99%)14380(Top 716%)
40K24.85 mi0.85 mi7580-20036075-12286075-122825300(Top 99%)14395(Top 99%)14395(Top 717%)
25.2M25.20 mi0.35 mi8496-9166555-4806555-48025314(Top 99%)14410(Top 99%)14410(Top 717%)
Finish26.22 mi1.02 mi9973-14777286-7317286-73124669(Top 97%)13965(Top 96%)13965(Top 695%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3567

Males

3380

M40-44

3380

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

2956

Males

2822

M40-44

2822

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3567

Males

3380

M40-44

3380

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3063

Males

2914

M40-44

2914

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3475

Males

3293

M40-44

3293

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3409

Males

3189

M40-44

3189

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4171

Males

3754

M40-44

3754

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4349

Males

3813

M40-44

3813

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4181

Males

3574

M40-44

3574

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

5679

Males

4507

M40-44

4507

35K→23M

21.8 - 23.0 mi

Top 23%
×5stories
+23ft-63ft

Overall

5810

Males

4428

M40-44

4428

23M→24M

23.0 - 24.0 mi

Top 99%
×6stories
+12ft-82ft

Overall

25281

Males

14380

M40-44

14380

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

25300

Males

14395

M40-44

14395

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

25314

Males

14410

M40-44

14410

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2stories
+22ft-21ft

Overall

24669

Males

13965

M40-44

13965

Passing Analysis

Category:
Athletes Passed
1093
Passed By
7559
Net Change
-6467
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3506
5K10K32327+296#3506#3210
10K15K69173-104#3210#3314
15K20K18754+133#3314#3181
20KHalf2415+9#3181#3172
Half25K12097+23#3172#3149
25K30K140283-143#3149#3292
30K20M62145-83#3292#3375
20M21M6990-21#3375#3396
21M35K26102-76#3396#3472
35K23M61183-122#3472#3594
23M24M01983-1983#3594#5577
24M40K22005-2003#5577#7580
40K25.2M3919-916#7580#8496
25.2MFinish71483-1477#8496#9973
TOTALS10937559-6467
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing