Matthew Grieshaber

Bib: 4423M

PA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 21%
Gender (Male)
#0 / 14578
Top 31%
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:51
Rank: #2629
Start5K
19:51 | 6:23/mi
10K· 6.21 mi
39:44
Rank: #2497 (+132)
5K10K
19:53 | 6:24/mi
15K· 9.32 mi
59:37
Rank: #2373 (+124)
10K15K
19:53 | 6:24/mi
20K· 12.43 mi
1:19:53
Rank: #2301 (+72)
15K20K
20:16 | 6:31/mi
Half· 13.11 mi
1:24:13
Rank: #2276 (+25)
20KHalf
4:20 | 6:21/mi
25K· 15.53 mi
1:39:53
Rank: #2107 (+169)
Half25K
15:40 | 6:28/mi
30K· 18.64 mi
2:01:11
Rank: #2049 (+58)
25K30K
21:18 | 6:51/mi
20M
2:11:18
Rank: #2149 (-100)
30K20M
10:07 | 7:27/mi
21M
2:19:41
Rank: #2317 (-168)
20M21M
8:23 | 8:23/mi
35K· 21.75 mi
2:25:24
Rank: #2425 (-108)
21M35K
5:43 | 7:38/mi
23M
2:37:59
Rank: #3237 (-812)
35K23M
12:35 | 10:03/mi
24M
2:47:52
Rank: #3744 (-507)
23M24M
9:53 | 9:53/mi
40K· 24.85 mi
2:57:19
Rank: #4257 (-513)
24M40K
9:27 | 11:03/mi
25.2M
3:01:58
Rank: #4592 (-335)
40K25.2M
4:39 | 13:29/mi
Finish· 26.22 mi
3:13:03
Rank: #5250 (-658)
25.2MFinish
11:05 | 10:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:13
Pace6:25 /mi
2nd Half
Distance13.11 mi
Time1:48:50
Pace8:18 /mi
📊Positive Split: 29.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:0819:516:2319:51
6:23
-
10K
6.21 mi10:43:0139:446:2419:53
6:24
+0:01
15K
9.32 mi11:02:5459:376:2419:53
6:24
0:00
20K
12.43 mi11:23:101:19:536:2620:16
6:31
+0:07
Half
13.11 mi11:27:301:24:136:254:20
6:21
-0:10
25K
15.53 mi11:43:101:39:536:2615:40
6:28
+0:07
30K
18.64 mi12:04:282:01:116:3021:18
6:51
+0:23
20M
20.00 mi12:14:352:11:186:3410:07
7:27
+0:36
21M
21.00 mi12:22:582:19:416:398:23
8:23
+0:56
35K
21.75 mi12:28:412:25:246:415:43
7:38
-0:45
23M
23.00 mi12:41:162:37:596:5212:35
10:03
+2:25
24M
24.00 mi12:51:092:47:527:009:53
9:53
-0:10
40K
24.85 mi13:00:362:57:197:089:27
11:03
+1:10
25.2M
25.20 mi13:05:153:01:587:134:39
13:29
+2:26
Finish
26.22 mi13:16:203:13:037:2211:05
10:53
-2:36

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

6:21 /mi

Average Pace

7:22 /mi

Slowest Pace

13:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:20

2% of race

Time at Steady Pace

2:21:04

73% of race

Time at Slower Pace

47:39

25% of race

Average Pace: 7:22 /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 mi10:23:0819:516:2319:51
6:23
#2629
10K
6.21 mi10:43:0139:446:2419:53
6:24
#2497
15K
9.32 mi11:02:5459:376:2419:53
6:24
#2373
20K
12.43 mi11:23:101:19:536:2620:16
6:31
#2301
Half
13.11 mi11:27:301:24:136:254:20
6:21
#2276
25K
15.53 mi11:43:101:39:536:2615:40
6:28
#2107
30K
18.64 mi12:04:282:01:116:3021:18
6:51
#2049
20M
20.00 mi12:14:352:11:186:3410:07
7:27
#2149
21M
21.00 mi12:22:582:19:416:398:23
8:23
#2317
35K
21.75 mi12:28:412:25:246:415:43
7:38
#2425
23M
23.00 mi12:41:162:37:596:5212:35
10:03
#3237
24M
24.00 mi12:51:092:47:527:009:53
9:53
#3744
40K
24.85 mi13:00:362:57:197:089:27
11:03
#4257
25.2M
25.20 mi13:05:153:01:587:134:39
13:29
#4592
Finish
26.22 mi13:16:203:13:037:2211:05
10:53
#5250
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2629252925292183(Top 9%)2107(Top 14%)2107(Top 43%)
10K6.21 mi3.10 mi2497+1322401+1282401+1282426(Top 9%)2336(Top 16%)2336(Top 48%)
15K9.32 mi3.11 mi2373+1242288+1132288+1132183(Top 9%)2107(Top 14%)2107(Top 43%)
20K12.43 mi3.11 mi2301+722217+712217+712290(Top 9%)2198(Top 15%)2198(Top 45%)
Half13.11 mi0.68 mi2276+252195+222195+221913(Top 7%)1850(Top 13%)1850(Top 38%)
25K15.53 mi2.42 mi2107+1692034+1612034+1611634(Top 6%)1577(Top 11%)1577(Top 33%)
30K18.64 mi3.11 mi2049+581976+581976+582171(Top 8%)2054(Top 14%)2054(Top 42%)
20M20.00 mi1.36 mi2149-1002060-842060-844114(Top 16%)3637(Top 25%)3637(Top 75%)
21M21.00 mi1.00 mi2317-1682215-1552215-1555669(Top 22%)4503(Top 31%)4503(Top 93%)
35K21.75 mi0.75 mi2425-1082310-952310-955759(Top 23%)4538(Top 31%)4538(Top 94%)
23M23.00 mi1.25 mi3237-8123026-7163026-71615629(Top 61%)9364(Top 64%)9364(Top 193%)
24M24.00 mi1.00 mi3744-5073454-4283454-42815893(Top 62%)9459(Top 65%)9459(Top 195%)
40K24.85 mi0.85 mi4257-5133842-3883842-38818199(Top 71%)10556(Top 72%)10556(Top 218%)
25.2M25.20 mi0.35 mi4592-3354089-2474089-24720639(Top 81%)11751(Top 81%)11751(Top 242%)
Finish26.22 mi1.02 mi5250-6584541-4524541-45221027(Top 82%)11996(Top 82%)11996(Top 247%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2183

Males

2107

M18-39

2107

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2426

Males

2336

M18-39

2336

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2183

Males

2107

M18-39

2107

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2290

Males

2198

M18-39

2198

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

1913

Males

1850

M18-39

1850

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1634

Males

1577

M18-39

1577

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2171

Males

2054

M18-39

2054

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4114

Males

3637

M18-39

3637

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

5669

Males

4503

M18-39

4503

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

5759

Males

4538

M18-39

4538

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

15629

Males

9364

M18-39

9364

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

15893

Males

9459

M18-39

9459

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18199

Males

10556

M18-39

10556

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

20639

Males

11751

M18-39

11751

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

21027

Males

11996

M18-39

11996

Passing Analysis

Category:
Athletes Passed
918
Passed By
3539
Net Change
-2621
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2629
5K10K19967+132#2629#2497
10K15K15228+124#2497#2373
15K20K12654+72#2373#2301
20KHalf272+25#2301#2276
Half25K1778+169#2276#2107
25K30K14688+58#2107#2049
30K20M28128-100#2049#2149
20M21M20188-168#2149#2317
21M35K16124-108#2317#2425
35K23M4816-812#2425#3237
23M24M8515-507#3237#3744
24M40K4517-513#3744#4257
40K25.2M2337-335#4257#4592
25.2MFinish9667-658#4592#5250
TOTALS9183539-2621
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing