Mariam Johnson

Bib: 17745F

NE

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:30
Rank: #21142
Start5K
9:10/mi
28:30 split
10K· 6.21 mi
56:44
Rank: #21177 (-35)
5K10K
9:05/mi
28:14 split
15K· 9.32 mi
1:25:40
Rank: #21334 (-157)
10K15K
9:19/mi
28:56 split
20K· 12.43 mi
1:55:27
Rank: #21476 (-142)
15K20K
9:35/mi
29:47 split
Half· 13.11 mi
2:02:00
Rank: #21515 (-39)
20KHalf
9:36/mi
6:33 split
25K· 15.53 mi
2:28:42
Rank: #22101 (-586)
Half25K
11:01/mi
26:42 split
30K· 18.64 mi
3:01:15
Rank: #22137 (-36)
25K30K
10:29/mi
32:33 split
20M
3:15:20
Rank: #22073 (+64)
30K20M
10:22/mi
14:05 split
21M
3:26:32
Rank: #22026 (+47)
20M21M
11:12/mi
11:12 split
35K· 21.75 mi
3:33:38
Rank: #21950 (+76)
21M35K
9:29/mi
7:06 split
23M
3:45:40
Rank: #21785 (+165)
35K23M
9:37/mi
12:02 split
24M
3:55:10
Rank: #21685 (+100)
23M24M
9:30/mi
9:30 split
40K· 24.85 mi
4:03:38
Rank: #21617 (+68)
24M40K
9:54/mi
8:28 split
25.2M
4:07:19
Rank: #21574 (+43)
40K25.2M
10:41/mi
3:41 split
Finish· 26.22 mi
4:17:02
Rank: #21524 (+50)
25.2MFinish
9:32/mi
9:43 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:00
Pace9:18 /mi
2nd Half
Distance13.11 mi
Time2:15:02
Pace10:18 /mi
📊Positive Split: 10.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:5928:309:1028:30
9:10
-
10K
6.21 mi11:57:1356:449:0828:14
9:05
-0:05
15K
9.32 mi12:26:091:25:409:1128:56
9:19
+0:14
20K
12.43 mi12:55:561:55:279:1729:47
9:35
+0:16
Half
13.11 mi13:02:292:02:009:186:33
9:36
+0:01
25K
15.53 mi13:29:112:28:429:3426:42
11:01
+1:25
30K
18.64 mi14:01:443:01:159:4332:33
10:29
-0:32
20M
20.00 mi14:15:493:15:209:4614:05
10:22
-0:07
21M
21.00 mi14:27:013:26:329:5011:12
11:12
+0:50
35K
21.75 mi14:34:073:33:389:497:06
9:29
-1:43
23M
23.00 mi14:46:093:45:409:4912:02
9:37
+0:08
24M
24.00 mi14:55:393:55:109:489:30
9:30
-0:07
40K
24.85 mi15:04:074:03:389:488:28
9:54
+0:24
25.2M
25.20 mi15:07:484:07:199:493:41
10:41
+0:47
Finish
26.22 mi15:17:314:17:029:499:43
9:32
-1:09

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

9:05 /mi

Average Pace

9:49 /mi

Slowest Pace

11:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

56:44

22% of race

Time at Steady Pace

1:52:05

44% of race

Time at Slower Pace

1:28:13

34% of race

Average Pace: 9:48 /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 mi11:28:5928:309:1028:30
9:10
#21142
10K
6.21 mi11:57:1356:449:0828:14
9:05
#21177
15K
9.32 mi12:26:091:25:409:1128:56
9:19
#21334
20K
12.43 mi12:55:561:55:279:1729:47
9:35
#21476
Half
13.11 mi13:02:292:02:009:186:33
9:36
#21515
25K
15.53 mi13:29:112:28:429:3426:42
11:01
#22101
30K
18.64 mi14:01:443:01:159:4332:33
10:29
#22137
20M
20.00 mi14:15:493:15:209:4614:05
10:22
#22073
21M
21.00 mi14:27:013:26:329:5011:12
11:12
#22026
35K
21.75 mi14:34:073:33:389:497:06
9:29
#21950
23M
23.00 mi14:46:093:45:409:4912:02
9:37
#21785
24M
24.00 mi14:55:393:55:109:489:30
9:30
#21685
40K
24.85 mi15:04:074:03:389:488:28
9:54
#21617
25.2M
25.20 mi15:07:484:07:199:493:41
10:41
#21574
Finish
26.22 mi15:17:314:17:029:499:43
9:32
#21524
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi211428445844521692(Top 81%)8612(Top 75%)8612(Top 176%)
10K6.21 mi3.10 mi21177-358407+388407+3821225(Top 80%)8401(Top 74%)8401(Top 172%)
15K9.32 mi3.11 mi21334-1578464-578464-5721692(Top 81%)8612(Top 75%)8612(Top 176%)
20K12.43 mi3.11 mi21476-1428540-768540-7621812(Top 82%)8687(Top 76%)8687(Top 178%)
Half13.11 mi0.68 mi21515-398556-168556-1622389(Top 84%)8997(Top 79%)8997(Top 184%)
25K15.53 mi2.42 mi22101-5868883-3278883-32724001(Top 90%)9955(Top 87%)9955(Top 204%)
30K18.64 mi3.11 mi22137-368914-318914-3122160(Top 83%)8986(Top 79%)8986(Top 184%)
20M20.00 mi1.36 mi22073+648888+268888+2621434(Top 81%)8660(Top 76%)8660(Top 177%)
21M21.00 mi1.00 mi22026+478870+188870+1821276(Top 80%)8610(Top 75%)8610(Top 176%)
35K21.75 mi0.75 mi21950+768825+458825+4519856(Top 75%)7850(Top 69%)7850(Top 161%)
23M23.00 mi1.25 mi21785+1658762+638762+6318794(Top 71%)7298(Top 64%)7298(Top 149%)
24M24.00 mi1.00 mi21685+1008716+468716+4619248(Top 72%)7597(Top 67%)7597(Top 156%)
40K24.85 mi0.85 mi21617+688687+298687+2919726(Top 74%)7912(Top 69%)7912(Top 162%)
25.2M25.20 mi0.35 mi21574+438670+178670+1719700(Top 74%)7908(Top 69%)7908(Top 162%)
Finish26.22 mi1.02 mi21524+508649+218649+2120269(Top 76%)8162(Top 71%)8162(Top 167%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21stories
+97ft-345ft

Overall

21692

Females

8612

F18-39

8612

5K→10K

3.1 - 6.2 mi

Top 80%
×5stories
+79ft-138ft

Overall

21225

Females

8401

F18-39

8401

10K→15K

6.2 - 9.3 mi

Top 81%
×3stories
+67ft-78ft

Overall

21692

Females

8612

F18-39

8612

15K→20K

9.3 - 12.4 mi

Top 82%
×5stories
+106ft-86ft

Overall

21812

Females

8687

F18-39

8687

20K→Half

12.4 - 13.1 mi

Top 84%
×2stories
+19ft-37ft

Overall

22389

Females

8997

F18-39

8997

Half→25K

13.1 - 15.5 mi

Top 90%
×4stories
+66ft-88ft

Overall

24001

Females

9955

F18-39

9955

25K→30K

15.5 - 18.6 mi

Top 83%
×9stories
+181ft-148ft

Overall

22160

Females

8986

F18-39

8986

30K→20M

18.6 - 20.0 mi

Top 81%
×5stories
+64ft-50ft

Overall

21434

Females

8660

F18-39

8660

20M→21M

20.0 - 21.0 mi

Top 80%
×8stories
+106ft-24ft

Overall

21276

Females

8610

F18-39

8610

21M→35K

21.0 - 21.8 mi

Top 75%
×7stories
+17ft-86ft

Overall

19856

Females

7850

F18-39

7850

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

18794

Females

7298

F18-39

7298

23M→24M

23.0 - 24.0 mi

Top 72%
×6stories
+12ft-82ft

Overall

19248

Females

7597

F18-39

7597

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

19726

Females

7912

F18-39

7912

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

19700

Females

7908

F18-39

7908

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2stories
+22ft-21ft

Overall

20269

Females

8162

F18-39

8162

Passing Analysis

Category:
Athletes Passed
1316
Passed By
1698
Net Change
-382
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21142
5K10K259294-35#21142#21177
10K15K94251-157#21177#21334
15K20K91233-142#21334#21476
20KHalf1453-39#21476#21515
Half25K13599-586#21515#22101
25K30K120156-36#22101#22137
30K20M10036+64#22137#22073
20M21M7932+47#22073#22026
21M35K793+76#22026#21950
35K23M1705+165#21950#21785
23M24M1044+100#21785#21685
24M40K7810+68#21685#21617
40K25.2M463+43#21617#21574
25.2MFinish6919+50#21574#21524
TOTALS13161698-382
📊

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