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BOSTON MARATHON 2023

Uma Mohanasundaram

Bib: 19425•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 45%
Masters (Masters Women)
#0 / 6539
Top 33%
Division (F45-49)
#0 / 1817
Top 39%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:50
Rank: #16268
Start → 5K
25:50 | 8:19/mi
10K· 6.21 mi
51:25
Rank: #16328 (-60)
5K → 10K
25:35 | 8:14/mi
15K· 9.32 mi
1:17:02
Rank: #16272 (+56)
10K → 15K
25:37 | 8:15/mi
20K· 12.43 mi
1:43:01
Rank: #16185 (+87)
15K → 20K
25:59 | 8:22/mi
Half· 13.11 mi
1:48:41
Rank: #16212 (-27)
20K → Half
5:40 | 8:18/mi
25K· 15.53 mi
2:09:08
Rank: #16122 (+90)
Half → 25K
20:27 | 8:26/mi
30K· 18.64 mi
2:35:55
Rank: #15897 (+225)
25K → 30K
26:47 | 8:37/mi
20M
2:47:44
Rank: #15791 (+106)
30K → 20M
11:49 | 8:42/mi
21M
2:57:01
Rank: #15721 (+70)
20M → 21M
9:17 | 9:17/mi
35K· 21.75 mi
3:03:22
Rank: #15689 (+32)
21M → 35K
6:21 | 8:29/mi
23M
3:14:18
Rank: #15611 (+78)
35K → 23M
10:56 | 8:44/mi
24M
3:22:45
Rank: #15537 (+74)
23M → 24M
8:27 | 8:27/mi
40K· 24.85 mi
3:30:02
Rank: #15465 (+72)
24M → 40K
7:17 | 8:31/mi
25.2M
3:33:14
Rank: #15425 (+40)
40K → 25.2M
3:12 | 9:17/mi
Finish· 26.22 mi
3:41:44
Rank: #15378 (+47)
25.2M → Finish
8:30 | 8:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:41
Pace8:17 /mi
2nd Half
Distance13.11 mi
Time1:53:03
Pace8:37 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:5925:508:1925:50
8:19
-
10K
6.21 mi11:43:3451:258:1625:35
8:14
-0:05
15K
9.32 mi12:09:111:17:028:1625:37
8:15
+0:01
20K
12.43 mi12:35:101:43:018:1725:59
8:22
+0:07
Half
13.11 mi12:40:501:48:418:175:40
8:18
-0:04
25K
15.53 mi13:01:172:09:088:1920:27
8:26
+0:08
30K
18.64 mi13:28:042:35:558:2226:47
8:37
+0:11
20M
20.00 mi13:39:532:47:448:2311:49
8:42
+0:05
21M
21.00 mi13:49:102:57:018:269:17
9:17
+0:35
35K
21.75 mi13:55:313:03:228:266:21
8:29
-0:48
23M
23.00 mi14:06:273:14:188:2710:56
8:44
+0:15
24M
24.00 mi14:14:543:22:458:278:27
8:27
-0:17
40K
24.85 mi14:22:113:30:028:277:17
8:31
+0:04
25.2M
25.20 mi14:25:233:33:148:283:12
9:17
+0:46
Finish
26.22 mi14:33:533:41:448:288:30
8:20
-0:57

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

8:14 /mi

Average Pace

8:28 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:29:15

94% of race

Time at Steady Pace

12:29

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:27 /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 mi11:17:5925:508:1925:50
8:19
#16268
10K
6.21 mi11:43:3451:258:1625:35
8:14
#16328
15K
9.32 mi12:09:111:17:028:1625:37
8:15
#16272
20K
12.43 mi12:35:101:43:018:1725:59
8:22
#16185
Half
13.11 mi12:40:501:48:418:175:40
8:18
#16212
25K
15.53 mi13:01:172:09:088:1920:27
8:26
#16122
30K
18.64 mi13:28:042:35:558:2226:47
8:37
#15897
20M
20.00 mi13:39:532:47:448:2311:49
8:42
#15791
21M
21.00 mi13:49:102:57:018:269:17
9:17
#15721
35K
21.75 mi13:55:313:03:228:266:21
8:29
#15689
23M
23.00 mi14:06:273:14:188:2710:56
8:44
#15611
24M
24.00 mi14:14:543:22:458:278:27
8:27
#15537
40K
24.85 mi14:22:113:30:028:277:17
8:31
#15465
25.2M
25.20 mi14:25:233:33:148:283:12
9:17
#15425
Finish
26.22 mi14:33:533:41:448:288:30
8:20
#15378
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi162685449544916195(Top 61%)5411(Top 47%)5411(Top 298%)
10K6.21 mi3.10 mi16328-605477-285477-2816501(Top 62%)5576(Top 49%)5576(Top 307%)
15K9.32 mi3.11 mi16272+565453+245453+2416195(Top 61%)5411(Top 47%)5411(Top 298%)
20K12.43 mi3.11 mi16185+875412+415412+4116023(Top 60%)5361(Top 47%)5361(Top 295%)
Half13.11 mi0.68 mi16212-275435-235435-2316526(Top 62%)5609(Top 49%)5609(Top 309%)
25K15.53 mi2.42 mi16122+905409+265409+2615809(Top 59%)5319(Top 47%)5319(Top 293%)
30K18.64 mi3.11 mi15897+2255313+965313+9615046(Top 57%)4957(Top 43%)4957(Top 273%)
20M20.00 mi1.36 mi15791+1065266+475266+4714852(Top 56%)4913(Top 43%)4913(Top 270%)
21M21.00 mi1.00 mi15721+705255+115255+1114919(Top 56%)5008(Top 44%)5008(Top 276%)
35K21.75 mi0.75 mi15689+325251+45251+415267(Top 57%)5271(Top 46%)5271(Top 290%)
23M23.00 mi1.25 mi15611+785232+195232+1914607(Top 55%)4960(Top 43%)4960(Top 273%)
24M24.00 mi1.00 mi15537+745204+285204+2814210(Top 53%)4796(Top 42%)4796(Top 264%)
40K24.85 mi0.85 mi15465+725171+335171+3313507(Top 51%)4484(Top 39%)4484(Top 247%)
25.2M25.20 mi0.35 mi15425+405148+235148+2314153(Top 53%)4837(Top 42%)4837(Top 266%)
Finish26.22 mi1.02 mi15378+475133+155133+1514382(Top 54%)4944(Top 43%)4944(Top 272%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21stories
+97ft-345ft

Overall

16195

Females

5411

F45-49

5411

5K→10K

3.1 - 6.2 mi

Top 62%
×5stories
+79ft-138ft

Overall

16501

Females

5576

F45-49

5576

10K→15K

6.2 - 9.3 mi

Top 61%
×3stories
+67ft-78ft

Overall

16195

Females

5411

F45-49

5411

15K→20K

9.3 - 12.4 mi

Top 60%
×5stories
+106ft-86ft

Overall

16023

Females

5361

F45-49

5361

20K→Half

12.4 - 13.1 mi

Top 62%
×2stories
+19ft-37ft

Overall

16526

Females

5609

F45-49

5609

Half→25K

13.1 - 15.5 mi

Top 59%
×4stories
+66ft-88ft

Overall

15809

Females

5319

F45-49

5319

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

15046

Females

4957

F45-49

4957

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

14852

Females

4913

F45-49

4913

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

14919

Females

5008

F45-49

5008

21M→35K

21.0 - 21.8 mi

Top 57%
×7stories
+17ft-86ft

Overall

15267

Females

5271

F45-49

5271

35K→23M

21.8 - 23.0 mi

Top 55%
×5stories
+23ft-63ft

Overall

14607

Females

4960

F45-49

4960

23M→24M

23.0 - 24.0 mi

Top 53%
×6stories
+12ft-82ft

Overall

14210

Females

4796

F45-49

4796

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

13507

Females

4484

F45-49

4484

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

14153

Females

4837

F45-49

4837

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2stories
+22ft-21ft

Overall

14382

Females

4944

F45-49

4944

Passing Analysis

Category:
Athletes Passed
1984
Passed By
1094
Net Change
+890
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16268
5K → 10K260320-60#16268#16328
10K → 15K218162+56#16328#16272
15K → 20K205118+87#16272#16185
20K → Half3259-27#16185#16212
Half → 25K190100+90#16212#16122
25K → 30K28560+225#16122#15897
30K → 20M14539+106#15897#15791
20M → 21M13262+70#15791#15721
21M → 35K6028+32#15721#15689
35K → 23M11335+78#15689#15611
23M → 24M10632+74#15611#15537
24M → 40K8513+72#15537#15465
40K → 25.2M5818+40#15465#15425
25.2M → Finish9548+47#15425#15378
TOTALS19841094+890
📊

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