Keith Shields

Bib: 28263M

MA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M55-59)
#0 / 1529
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:54
Rank: #18619
Start5K
26:54 | 8:39/mi
10K· 6.21 mi
53:25
Rank: #18055 (+564)
5K10K
26:31 | 8:32/mi
15K· 9.32 mi
1:20:45
Rank: #17995 (+60)
10K15K
27:20 | 8:48/mi
20K· 12.43 mi
1:49:09
Rank: #17943 (+52)
15K20K
28:24 | 9:08/mi
Half· 13.11 mi
1:55:16
Rank: #17937 (+6)
20KHalf
6:07 | 8:58/mi
25K· 15.53 mi
2:18:02
Rank: #17769 (+168)
Half25K
22:46 | 9:23/mi
30K· 18.64 mi
2:53:10
Rank: #18607 (-838)
25K30K
35:08 | 11:18/mi
20M
3:09:46
Rank: #18977 (-370)
30K20M
16:36 | 12:13/mi
21M
3:23:05
Rank: #19152 (-175)
20M21M
13:19 | 13:19/mi
35K· 21.75 mi
3:32:07
Rank: #19288 (-136)
21M35K
9:02 | 12:04/mi
23M
3:48:08
Rank: #19498 (-210)
35K23M
16:01 | 12:48/mi
24M
3:59:53
Rank: #19547 (-49)
23M24M
11:45 | 11:45/mi
40K· 24.85 mi
4:10:39
Rank: #19643 (-96)
24M40K
10:46 | 12:36/mi
25.2M
4:16:09
Rank: #19766 (-123)
40K25.2M
5:30 | 15:57/mi
Finish· 26.22 mi
4:28:53
Rank: #19988 (-222)
25.2MFinish
12:44 | 12:30/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
Time1:55:16
Pace8:48 /mi
2nd Half
Distance13.11 mi
Time2:33:37
Pace11:43 /mi
📊Positive Split: 33.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:1026:548:3926:54
8:39
-
10K
6.21 mi12:13:4153:258:3626:31
8:32
-0:07
15K
9.32 mi12:41:011:20:458:4027:20
8:48
+0:16
20K
12.43 mi13:09:251:49:098:4728:24
9:08
+0:20
Half
13.11 mi13:15:321:55:168:486:07
8:58
-0:10
25K
15.53 mi13:38:182:18:028:5322:46
9:23
+0:25
30K
18.64 mi14:13:262:53:109:1735:08
11:18
+1:55
20M
20.00 mi14:30:023:09:469:2916:36
12:13
+0:55
21M
21.00 mi14:43:213:23:059:4013:19
13:19
+1:06
35K
21.75 mi14:52:233:32:079:459:02
12:04
-1:15
23M
23.00 mi15:08:243:48:089:5516:01
12:48
+0:44
24M
24.00 mi15:20:093:59:5310:0011:45
11:45
-1:03
40K
24.85 mi15:30:554:10:3910:0510:46
12:36
+0:51
25.2M
25.20 mi15:36:254:16:0910:105:30
15:57
+3:21
Finish
26.22 mi15:49:094:28:5310:1612:44
12:30
-3:27

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

8:32 /mi

Average Pace

10:16 /mi

Slowest Pace

15:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:18:02

51% of race

Time at Steady Pace

1:52:02

42% of race

Time at Slower Pace

18:49

7% of race

Average Pace: 10:15 /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 mi11:47:1026:548:3926:54
8:39
#18619
10K
6.21 mi12:13:4153:258:3626:31
8:32
#18055
15K
9.32 mi12:41:011:20:458:4027:20
8:48
#17995
20K
12.43 mi13:09:251:49:098:4728:24
9:08
#17943
Half
13.11 mi13:15:321:55:168:486:07
8:58
#17937
25K
15.53 mi13:38:182:18:028:5322:46
9:23
#17769
30K
18.64 mi14:13:262:53:109:1735:08
11:18
#18607
20M
20.00 mi14:30:023:09:469:2916:36
12:13
#18977
21M
21.00 mi14:43:213:23:059:4013:19
13:19
#19152
35K
21.75 mi14:52:233:32:079:459:02
12:04
#19288
23M
23.00 mi15:08:243:48:089:5516:01
12:48
#19498
24M
24.00 mi15:20:093:59:5310:0011:45
11:45
#19547
40K
24.85 mi15:30:554:10:3910:0510:46
12:36
#19643
25.2M
25.20 mi15:36:254:16:0910:105:30
15:57
#19766
Finish
26.22 mi15:49:094:28:5310:1612:44
12:30
#19988
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi18619114631146317960(Top 70%)11227(Top 77%)11227(Top 734%)
10K6.21 mi3.10 mi18055+56411243+22011243+22017495(Top 68%)11033(Top 76%)11033(Top 722%)
15K9.32 mi3.11 mi17995+6011216+2711216+2717960(Top 70%)11227(Top 77%)11227(Top 734%)
20K12.43 mi3.11 mi17943+5211195+2111195+2117956(Top 70%)11242(Top 77%)11242(Top 735%)
Half13.11 mi0.68 mi17937+611189+611189+618095(Top 71%)11226(Top 77%)11226(Top 734%)
25K15.53 mi2.42 mi17769+16811090+9911090+9917163(Top 67%)10763(Top 74%)10763(Top 704%)
30K18.64 mi3.11 mi18607-83811398-30811398-30820643(Top 81%)12153(Top 83%)12153(Top 795%)
20M20.00 mi1.36 mi18977-37011548-15011548-15021715(Top 85%)12560(Top 86%)12560(Top 821%)
21M21.00 mi1.00 mi19152-17511606-5811606-5821250(Top 83%)12286(Top 84%)12286(Top 804%)
35K21.75 mi0.75 mi19288-13611654-4811654-4821912(Top 86%)12556(Top 86%)12556(Top 821%)
23M23.00 mi1.25 mi19498-21011726-7211726-7222192(Top 87%)12688(Top 87%)12688(Top 830%)
24M24.00 mi1.00 mi19547-4911724+211724+220906(Top 82%)11974(Top 82%)11974(Top 783%)
40K24.85 mi0.85 mi19643-9611762-3811762-3821569(Top 84%)12262(Top 84%)12262(Top 802%)
25.2M25.20 mi0.35 mi19766-12311822-6011822-6023996(Top 94%)13579(Top 93%)13579(Top 888%)
Finish26.22 mi1.02 mi19988-22211903-8111903-8123871(Top 93%)13495(Top 93%)13495(Top 883%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21stories
+97ft-345ft

Overall

17960

Males

11227

M55-59

11227

5K→10K

3.1 - 6.2 mi

Top 68%
×5stories
+79ft-138ft

Overall

17495

Males

11033

M55-59

11033

10K→15K

6.2 - 9.3 mi

Top 70%
×3stories
+67ft-78ft

Overall

17960

Males

11227

M55-59

11227

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

17956

Males

11242

M55-59

11242

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

18095

Males

11226

M55-59

11226

Half→25K

13.1 - 15.5 mi

Top 67%
×4stories
+66ft-88ft

Overall

17163

Males

10763

M55-59

10763

25K→30K

15.5 - 18.6 mi

Top 81%
×9stories
+181ft-148ft

Overall

20643

Males

12153

M55-59

12153

30K→20M

18.6 - 20.0 mi

Top 85%
×5stories
+64ft-50ft

Overall

21715

Males

12560

M55-59

12560

20M→21M

20.0 - 21.0 mi

Top 83%
×8stories
+106ft-24ft

Overall

21250

Males

12286

M55-59

12286

21M→35K

21.0 - 21.8 mi

Top 86%
×7stories
+17ft-86ft

Overall

21912

Males

12556

M55-59

12556

35K→23M

21.8 - 23.0 mi

Top 87%
×5stories
+23ft-63ft

Overall

22192

Males

12688

M55-59

12688

23M→24M

23.0 - 24.0 mi

Top 82%
×6stories
+12ft-82ft

Overall

20906

Males

11974

M55-59

11974

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

21569

Males

12262

M55-59

12262

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

23996

Males

13579

M55-59

13579

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2stories
+22ft-21ft

Overall

23871

Males

13495

M55-59

13495

Passing Analysis

Category:
Athletes Passed
1817
Passed By
3186
Net Change
-1369
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18619
5K10K64682+564#18619#18055
10K15K264204+60#18055#17995
15K20K271219+52#17995#17943
20KHalf4741+6#17943#17937
Half25K275107+168#17937#17769
25K30K72910-838#17769#18607
30K20M22392-370#18607#18977
20M21M34209-175#18977#19152
21M35K31167-136#19152#19288
35K23M42252-210#19288#19498
23M24M58107-49#19498#19547
24M40K28124-96#19547#19643
40K25.2M7130-123#19643#19766
25.2MFinish20242-222#19766#19988
TOTALS18173186-1369
📊

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