Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Michelle Derenski

Bib: 18219 β€’F β€’Age: N/A

TN

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 45%
Masters (Masters Women)
#0 / 6862
Top 32%
Age Group (F45-49)
#0 / 1786
Top 39%
Race Day Weather
51Β°/41Β°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
24:34
3.11 mi
Rank: #16266
Start β†’ 5K
24:34 | 7:55/mi
10K
49:12
6.21 mi
Rank: #16450 (-184)
5K β†’ 10K
24:38 | 7:56/mi
15K
1:13:41
9.32 mi
Rank: #16312 (+138)
10K β†’ 15K
24:29 | 7:53/mi
20K
1:38:48
12.43 mi
Rank: #16446 (-134)
15K β†’ 20K
25:07 | 8:06/mi
HALF
1:44:02
13.11 mi
Rank: #16329 (+117)
20K β†’ HALF
5:14 | 7:41/mi
25K
2:03:58
15.53 mi
Rank: #16411 (-82)
HALF β†’ 25K
19:56 | 8:14/mi
30K
2:30:50
18.64 mi
Rank: #16654 (-243)
25K β†’ 30K
26:52 | 8:39/mi
20M
2:42:38
20.00 mi
Rank: #16690 (-36)
30K β†’ 20M
11:48 | 8:42/mi
21M
2:51:59
21.00 mi
Rank: #16737 (-47)
20M β†’ 21M
9:21 | 9:21/mi
35K
2:58:00
21.75 mi
Rank: #16633 (+104)
21M β†’ 35K
6:01 | 8:03/mi
23M
3:08:38
23.00 mi
Rank: #16565 (+68)
35K β†’ 23M
10:38 | 8:30/mi
24M
3:16:50
24.00 mi
Rank: #16474 (+91)
23M β†’ 24M
8:12 | 8:12/mi
40K
3:24:05
24.85 mi
Rank: #16401 (+73)
24M β†’ 40K
7:15 | 8:29/mi
25.2M
3:27:09
25.20 mi
Rank: #16362 (+39)
40K β†’ 25.2M
3:04 | 8:54/mi
FINISH
3:35:17
26.22 mi
Rank: #16306 (+56)
25.2M β†’ FINISH
8:08 | 7:59/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:44:02
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time1:51:15
Pace8:30 /mi
πŸ“ŠPositive Split: 6.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:0424:347:5524:34
7:55
-
10K
6.21 mi11:50:4249:127:5624:38
7:56
+0:01
15K
9.32 mi12:15:111:13:417:5524:29
7:53
-0:03
20K
12.43 mi12:40:181:38:487:5825:07
8:06
+0:13
HALF
13.11 mi12:45:321:44:027:575:14
7:41
-0:25
25K
15.53 mi13:05:282:03:587:5919:56
8:14
+0:33
30K
18.64 mi13:32:202:30:508:0626:52
8:39
+0:25
20M
20.00 mi13:44:082:42:388:0811:48
8:42
+0:03
21M
21.00 mi13:53:292:51:598:129:21
9:21
+0:39
35K
21.75 mi13:59:302:58:008:126:01
8:03
-1:18
23M
23.00 mi14:10:083:08:388:1310:38
8:30
+0:27
24M
24.00 mi14:18:203:16:508:138:12
8:12
-0:18
40K
24.85 mi14:25:353:24:058:137:15
8:29
+0:17
25.2M
25.20 mi14:28:393:27:098:143:04
8:54
+0:25
FINISH
26.22 mi14:36:473:35:178:148:08
7:59
-0:55

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

7:41 /mi

Average Pace

8:13 /mi

Slowest Pace

9:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:18:55

37% of race

Time at Steady Pace

1:07:24

31% of race

Time at Slower Pace

1:08:58

32% of race

Average Pace: 8:13 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:26:0424:347:5524:34
7:55
#16266
10K
6.21 mi11:50:4249:127:5624:38
7:56
#16450
15K
9.32 mi12:15:111:13:417:5524:29
7:53
#16312
20K
12.43 mi12:40:181:38:487:5825:07
8:06
#16446
HALF
13.11 mi12:45:321:44:027:575:14
7:41
#16329
25K
15.53 mi13:05:282:03:587:5919:56
8:14
#16411
30K
18.64 mi13:32:202:30:508:0626:52
8:39
#16654
20M
20.00 mi13:44:082:42:388:0811:48
8:42
#16690
21M
21.00 mi13:53:292:51:598:129:21
9:21
#16737
35K
21.75 mi13:59:302:58:008:126:01
8:03
#16633
23M
23.00 mi14:10:083:08:388:1310:38
8:30
#16565
24M
24.00 mi14:18:203:16:508:138:12
8:12
#16474
40K
24.85 mi14:25:353:24:058:137:15
8:29
#16401
25.2M
25.20 mi14:28:393:27:098:143:04
8:54
#16362
FINISH
26.22 mi14:36:473:35:178:148:08
7:59
#16306
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi162665481548116038(Top 55%)5363(Top 43%)5363(Top 300%)
10K6.21 mi3.10 mi16450-1845601-1205601-12016709(Top 58%)5739(Top 46%)5739(Top 321%)
15K9.32 mi3.11 mi16312+1385531+705531+7016038(Top 55%)5363(Top 43%)5363(Top 300%)
20K12.43 mi3.11 mi16446-1345608-775608-7716766(Top 58%)5804(Top 46%)5804(Top 325%)
HALF13.11 mi0.68 mi16329+1175554+545554+5414658(Top 51%)4545(Top 36%)4545(Top 254%)
25K15.53 mi2.42 mi16411-825598-445598-4416922(Top 58%)5937(Top 47%)5937(Top 332%)
30K18.64 mi3.11 mi16654-2435783-1855783-18517731(Top 61%)6525(Top 52%)6525(Top 365%)
20M20.00 mi1.36 mi16690-365810-275810-2717335(Top 60%)6371(Top 51%)6371(Top 357%)
21M21.00 mi1.00 mi16737-475853-435853-4317862(Top 62%)6712(Top 53%)6712(Top 376%)
35K21.75 mi0.75 mi16633+1045801+525801+5214823(Top 51%)5104(Top 41%)5104(Top 286%)
23M23.00 mi1.25 mi16565+685795+65795+615719(Top 54%)5681(Top 45%)5681(Top 318%)
24M24.00 mi1.00 mi16474+915762+335762+3315120(Top 52%)5405(Top 43%)5405(Top 303%)
40K24.85 mi0.85 mi16401+735748+145748+1415577(Top 54%)5723(Top 46%)5723(Top 320%)
25.2M25.20 mi0.35 mi16362+395734+145734+1414174(Top 49%)5015(Top 40%)5015(Top 281%)
FINISH26.22 mi1.02 mi16306+565722+125722+1215081(Top 52%)5481(Top 44%)5481(Top 307%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
Γ—21
+97ft-345ft

Overall

16038

Females

5363

F45-49

5363

5K→10K

3.1 - 6.2 mi

Top 58%
Γ—5
+79ft-138ft

Overall

16709

Females

5739

F45-49

5739

10K→15K

6.2 - 9.3 mi

Top 55%
Γ—3
+67ft-78ft

Overall

16038

Females

5363

F45-49

5363

15K→20K

9.3 - 12.4 mi

Top 58%
Γ—5
+106ft-86ft

Overall

16766

Females

5804

F45-49

5804

20K→HALF

12.4 - 13.1 mi

Top 51%
Γ—2
+19ft-37ft

Overall

14658

Females

4545

F45-49

4545

HALF→25K

13.1 - 15.5 mi

Top 58%
Γ—4
+66ft-88ft

Overall

16922

Females

5937

F45-49

5937

25K→30K

15.5 - 18.6 mi

Top 61%
Γ—9
+181ft-148ft

Overall

17731

Females

6525

F45-49

6525

30K→20M

18.6 - 20.0 mi

Top 60%
Γ—5
+64ft-50ft

Overall

17335

Females

6371

F45-49

6371

20M→21M

20.0 - 21.0 mi

Top 62%
Γ—8
+106ft-24ft

Overall

17862

Females

6712

F45-49

6712

21M→35K

21.0 - 21.8 mi

Top 51%
Γ—7
+17ft-86ft

Overall

14823

Females

5104

F45-49

5104

35K→23M

21.8 - 23.0 mi

Top 54%
Γ—5
+23ft-63ft

Overall

15719

Females

5681

F45-49

5681

23M→24M

23.0 - 24.0 mi

Top 52%
Γ—6
+12ft-82ft

Overall

15120

Females

5405

F45-49

5405

24M→40K

24.0 - 24.9 mi

Top 54%
Γ—1
+6ft-20ft

Overall

15577

Females

5723

F45-49

5723

40K→25.2M

24.9 - 25.2 mi

Top 49%
Γ—1
+13ft-16ft

Overall

14174

Females

5015

F45-49

5015

25.2M→FINISH

25.2 - 26.2 mi

Top 52%
Γ—2
+22ft-21ft

Overall

15081

Females

5481

F45-49

5481

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1729*
Passed By
1340
Net Change
-40
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#16266
5K β†’ 10K195200-184#16266#16450
10K β†’ 15K276*138+138#16450#16312
15K β†’ 20K142200-134#16312#16446
20K β†’ HALF1192+117#16446#16329
HALF β†’ 25K123200-82#16329#16411
25K β†’ 30K126200-243#16411#16654
30K β†’ 20M65101-36#16654#16690
20M β†’ 21M81128-47#16690#16737
21M β†’ 35K11511+104#16737#16633
35K β†’ 23M12860+68#16633#16565
23M β†’ 24M11726+91#16565#16474
24M β†’ 40K10330+73#16474#16401
40K β†’ 25.2M4910+39#16401#16362
25.2M β†’ FINISH9034+56#16362#16306
TOTALS1729*1340-40

* Includes athletes who did not complete a segment (DNF/DNQ).

πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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