Marisa Blackford

Bib: 22549F

MO

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:14
Rank: #17195
Start5K
26:14 | 8:27/mi
10K· 6.21 mi
52:24
Rank: #17434 (-239)
5K10K
26:10 | 8:25/mi
15K· 9.32 mi
1:19:11
Rank: #17835 (-401)
10K15K
26:47 | 8:37/mi
20K· 12.43 mi
1:46:08
Rank: #17838 (-3)
15K20K
26:57 | 8:40/mi
Half· 13.11 mi
1:51:55
Rank: #17811 (+27)
20KHalf
5:47 | 8:29/mi
25K· 15.53 mi
2:14:50
Rank: #18462 (-651)
Half25K
22:55 | 9:27/mi
30K· 18.64 mi
2:46:35
Rank: #19294 (-832)
25K30K
31:45 | 10:13/mi
20M
3:00:50
Rank: #19562 (-268)
30K20M
14:15 | 10:29/mi
21M
3:12:07
Rank: #19709 (-147)
20M21M
11:17 | 11:17/mi
35K· 21.75 mi
3:19:19
Rank: #19749 (-40)
21M35K
7:12 | 9:37/mi
23M
3:32:02
Rank: #19803 (-54)
35K23M
12:43 | 10:09/mi
24M
3:41:33
Rank: #19792 (+11)
23M24M
9:31 | 9:31/mi
40K· 24.85 mi
3:50:17
Rank: #19831 (-39)
24M40K
8:44 | 10:13/mi
25.2M
3:54:18
Rank: #19897 (-66)
40K25.2M
4:01 | 11:39/mi
Finish· 26.22 mi
4:03:54
Rank: #19892 (+5)
25.2MFinish
9:36 | 9:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:55
Pace8:32 /mi
2nd Half
Distance13.11 mi
Time2:11:59
Pace10:04 /mi
📊Positive Split: 17.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:0426:148:2726:14
8:27
-
10K
6.21 mi11:46:1452:248:2626:10
8:25
-0:02
15K
9.32 mi12:13:011:19:118:3026:47
8:37
+0:12
20K
12.43 mi12:39:581:46:088:3226:57
8:40
+0:03
Half
13.11 mi12:45:451:51:558:325:47
8:29
-0:11
25K
15.53 mi13:08:402:14:508:4122:55
9:27
+0:58
30K
18.64 mi13:40:252:46:358:5631:45
10:13
+0:46
20M
20.00 mi13:54:403:00:509:0214:15
10:29
+0:16
21M
21.00 mi14:05:573:12:079:0911:17
11:17
+0:48
35K
21.75 mi14:13:093:19:199:107:12
9:37
-1:40
23M
23.00 mi14:25:523:32:029:1312:43
10:09
+0:32
24M
24.00 mi14:35:233:41:339:149:31
9:31
-0:38
40K
24.85 mi14:44:073:50:179:168:44
10:13
+0:42
25.2M
25.20 mi14:48:083:54:189:184:01
11:39
+1:26
Finish
26.22 mi14:57:444:03:549:199:36
9:25
-2:14

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

8:25 /mi

Average Pace

9:19 /mi

Slowest Pace

11:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:55

46% of race

Time at Steady Pace

49:14

20% of race

Time at Slower Pace

1:22:45

34% of race

Average Pace: 9:18 /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 mi11:20:0426:148:2726:14
8:27
#17195
10K
6.21 mi11:46:1452:248:2626:10
8:25
#17434
15K
9.32 mi12:13:011:19:118:3026:47
8:37
#17835
20K
12.43 mi12:39:581:46:088:3226:57
8:40
#17838
Half
13.11 mi12:45:451:51:558:325:47
8:29
#17811
25K
15.53 mi13:08:402:14:508:4122:55
9:27
#18462
30K
18.64 mi13:40:252:46:358:5631:45
10:13
#19294
20M
20.00 mi13:54:403:00:509:0214:15
10:29
#19562
21M
21.00 mi14:05:573:12:079:0911:17
11:17
#19709
35K
21.75 mi14:13:093:19:199:107:12
9:37
#19749
23M
23.00 mi14:25:523:32:029:1312:43
10:09
#19803
24M
24.00 mi14:35:233:41:339:149:31
9:31
#19792
40K
24.85 mi14:44:073:50:179:168:44
10:13
#19831
25.2M
25.20 mi14:48:083:54:189:184:01
11:39
#19897
Finish
26.22 mi14:57:444:03:549:199:36
9:25
#19892
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi171956065606518581(Top 70%)6854(Top 60%)6854(Top 377%)
10K6.21 mi3.10 mi17434-2396187-1226187-12217748(Top 67%)6343(Top 56%)6343(Top 349%)
15K9.32 mi3.11 mi17835-4016425-2386425-23818581(Top 70%)6854(Top 60%)6854(Top 377%)
20K12.43 mi3.11 mi17838-36429-46429-417974(Top 68%)6500(Top 57%)6500(Top 358%)
Half13.11 mi0.68 mi17811+276407+226407+2217650(Top 66%)6287(Top 55%)6287(Top 346%)
25K15.53 mi2.42 mi18462-6516809-4026809-40220684(Top 78%)8092(Top 71%)8092(Top 445%)
30K18.64 mi3.11 mi19294-8327313-5047313-50421564(Top 81%)8661(Top 76%)8661(Top 477%)
20M20.00 mi1.36 mi19562-2687484-1717484-17121701(Top 82%)8808(Top 77%)8808(Top 485%)
21M21.00 mi1.00 mi19709-1477573-897573-8921448(Top 81%)8706(Top 76%)8706(Top 479%)
35K21.75 mi0.75 mi19749-407604-317604-3120231(Top 76%)8069(Top 71%)8069(Top 444%)
23M23.00 mi1.25 mi19803-547649-457649-4520456(Top 77%)8204(Top 72%)8204(Top 452%)
24M24.00 mi1.00 mi19792+117646+37646+319284(Top 72%)7609(Top 67%)7609(Top 419%)
40K24.85 mi0.85 mi19831-397685-397685-3920529(Top 77%)8345(Top 73%)8345(Top 459%)
25.2M25.20 mi0.35 mi19897-667722-377722-3721863(Top 82%)9047(Top 79%)9047(Top 498%)
Finish26.22 mi1.02 mi19892+57731-97731-919857(Top 75%)7914(Top 69%)7914(Top 436%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21stories
+97ft-345ft

Overall

18581

Females

6854

F45-49

6854

5K→10K

3.1 - 6.2 mi

Top 67%
×5stories
+79ft-138ft

Overall

17748

Females

6343

F45-49

6343

10K→15K

6.2 - 9.3 mi

Top 70%
×3stories
+67ft-78ft

Overall

18581

Females

6854

F45-49

6854

15K→20K

9.3 - 12.4 mi

Top 68%
×5stories
+106ft-86ft

Overall

17974

Females

6500

F45-49

6500

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

17650

Females

6287

F45-49

6287

Half→25K

13.1 - 15.5 mi

Top 78%
×4stories
+66ft-88ft

Overall

20684

Females

8092

F45-49

8092

25K→30K

15.5 - 18.6 mi

Top 81%
×9stories
+181ft-148ft

Overall

21564

Females

8661

F45-49

8661

30K→20M

18.6 - 20.0 mi

Top 82%
×5stories
+64ft-50ft

Overall

21701

Females

8808

F45-49

8808

20M→21M

20.0 - 21.0 mi

Top 81%
×8stories
+106ft-24ft

Overall

21448

Females

8706

F45-49

8706

21M→35K

21.0 - 21.8 mi

Top 76%
×7stories
+17ft-86ft

Overall

20231

Females

8069

F45-49

8069

35K→23M

21.8 - 23.0 mi

Top 77%
×5stories
+23ft-63ft

Overall

20456

Females

8204

F45-49

8204

23M→24M

23.0 - 24.0 mi

Top 72%
×6stories
+12ft-82ft

Overall

19284

Females

7609

F45-49

7609

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

20529

Females

8345

F45-49

8345

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

21863

Females

9047

F45-49

9047

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

19857

Females

7914

F45-49

7914

Passing Analysis

Category:
Athletes Passed
879
Passed By
3576
Net Change
-2697
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17195
5K10K209448-239#17195#17434
10K15K82483-401#17434#17835
15K20K166169-3#17835#17838
20KHalf4619+27#17838#17811
Half25K28679-651#17811#18462
25K30K35867-832#18462#19294
30K20M31299-268#19294#19562
20M21M41188-147#19562#19709
21M35K3474-40#19709#19749
35K23M52106-54#19749#19803
23M24M5948+11#19803#19792
24M40K4180-39#19792#19831
40K25.2M1076-66#19831#19897
25.2MFinish4540+5#19897#19892
TOTALS8793576-2697
📊

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