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BOSTON MARATHON 2023

Smiljana Kljajic

Bib: 10400•F

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
25:11
Rank: #14775
Start → 5K
25:11 | 8:06/mi
10K· 6.21 mi
50:55
Rank: #15790 (-1015)
5K → 10K
25:44 | 8:17/mi
15K· 9.32 mi
1:17:15
Rank: #16448 (-658)
10K → 15K
26:20 | 8:29/mi
20K· 12.43 mi
1:44:10
Rank: #16811 (-363)
15K → 20K
26:55 | 8:40/mi
Half· 13.11 mi
1:50:05
Rank: #16931 (-120)
20K → Half
5:55 | 8:40/mi
25K· 15.53 mi
2:11:27
Rank: #17101 (-170)
Half → 25K
21:22 | 8:49/mi
30K· 18.64 mi
2:39:34
Rank: #17120 (-19)
25K → 30K
28:07 | 9:03/mi
20M
2:52:00
Rank: #17137 (-17)
30K → 20M
12:26 | 9:09/mi
21M
3:01:52
Rank: #17160 (-23)
20M → 21M
9:52 | 9:52/mi
35K· 21.75 mi
3:08:28
Rank: #17147 (+13)
21M → 35K
6:36 | 8:49/mi
23M
3:20:10
Rank: #17190 (-43)
35K → 23M
11:42 | 9:21/mi
24M
3:29:22
Rank: #17241 (-51)
23M → 24M
9:12 | 9:12/mi
40K· 24.85 mi
3:37:19
Rank: #17248 (-7)
24M → 40K
7:57 | 9:18/mi
25.2M
3:40:43
Rank: #17255 (-7)
40K → 25.2M
3:24 | 9:52/mi
Finish· 26.22 mi
3:49:50
Rank: #17307 (-52)
25.2M → Finish
9:07 | 8:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:05
Pace8:24 /mi
2nd Half
Distance13.11 mi
Time1:59:45
Pace9:08 /mi
📊Positive Split: 8.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:1725:118:0625:11
8:06
-
10K
6.21 mi11:18:0150:558:1225:44
8:17
+0:11
15K
9.32 mi11:44:211:17:158:1726:20
8:29
+0:12
20K
12.43 mi12:11:161:44:108:2326:55
8:40
+0:11
Half
13.11 mi12:17:111:50:058:245:55
8:40
0:00
25K
15.53 mi12:38:332:11:278:2821:22
8:49
+0:09
30K
18.64 mi13:06:402:39:348:3428:07
9:03
+0:14
20M
20.00 mi13:19:062:52:008:3612:26
9:09
+0:06
21M
21.00 mi13:28:583:01:528:409:52
9:52
+0:43
35K
21.75 mi13:35:343:08:288:406:36
8:49
-1:03
23M
23.00 mi13:47:163:20:108:4211:42
9:21
+0:32
24M
24.00 mi13:56:283:29:228:439:12
9:12
-0:09
40K
24.85 mi14:04:253:37:198:457:57
9:18
+0:06
25.2M
25.20 mi14:07:493:40:438:463:24
9:52
+0:34
Finish
26.22 mi14:16:563:49:508:469:07
8:57
-0:55

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

8:06 /mi

Average Pace

8:46 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:05

48% of race

Time at Steady Pace

1:17:38

34% of race

Time at Slower Pace

42:07

18% of race

Average Pace: 8:46 /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 mi10:52:1725:118:0625:11
8:06
#14775
10K
6.21 mi11:18:0150:558:1225:44
8:17
#15790
15K
9.32 mi11:44:211:17:158:1726:20
8:29
#16448
20K
12.43 mi12:11:161:44:108:2326:55
8:40
#16811
Half
13.11 mi12:17:111:50:058:245:55
8:40
#16931
25K
15.53 mi12:38:332:11:278:2821:22
8:49
#17101
30K
18.64 mi13:06:402:39:348:3428:07
9:03
#17120
20M
20.00 mi13:19:062:52:008:3612:26
9:09
#17137
21M
21.00 mi13:28:583:01:528:409:52
9:52
#17160
35K
21.75 mi13:35:343:08:288:406:36
8:49
#17147
23M
23.00 mi13:47:163:20:108:4211:42
9:21
#17190
24M
24.00 mi13:56:283:29:228:439:12
9:12
#17241
40K
24.85 mi14:04:253:37:198:457:57
9:18
#17248
25.2M
25.20 mi14:07:493:40:438:463:24
9:52
#17255
Finish
26.22 mi14:16:563:49:508:469:07
8:57
#17307
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi147754506450617650(Top 66%)6305(Top 55%)6305(Top 129%)
10K6.21 mi3.10 mi15790-10155153-6475153-64716822(Top 63%)5761(Top 50%)5761(Top 118%)
15K9.32 mi3.11 mi16448-6585557-4045557-40417650(Top 66%)6305(Top 55%)6305(Top 129%)
20K12.43 mi3.11 mi16811-3635811-2545811-25417906(Top 67%)6458(Top 57%)6458(Top 132%)
Half13.11 mi0.68 mi16931-1205887-765887-7618789(Top 71%)6946(Top 61%)6946(Top 142%)
25K15.53 mi2.42 mi17101-1706004-1176004-11718033(Top 68%)6568(Top 57%)6568(Top 134%)
30K18.64 mi3.11 mi17120-196033-296033-2917443(Top 66%)6322(Top 55%)6322(Top 129%)
20M20.00 mi1.36 mi17137-176059-266059-2617320(Top 65%)6347(Top 56%)6347(Top 130%)
21M21.00 mi1.00 mi17160-236086-276086-2717524(Top 66%)6492(Top 57%)6492(Top 133%)
35K21.75 mi0.75 mi17147+136085+16085+117080(Top 64%)6318(Top 55%)6318(Top 129%)
23M23.00 mi1.25 mi17190-436128-436128-4317718(Top 67%)6699(Top 59%)6699(Top 137%)
24M24.00 mi1.00 mi17241-516171-436171-4318067(Top 68%)6937(Top 61%)6937(Top 142%)
40K24.85 mi0.85 mi17248-76198-276198-2717533(Top 66%)6698(Top 59%)6698(Top 137%)
25.2M25.20 mi0.35 mi17255-76212-146212-1416857(Top 63%)6348(Top 56%)6348(Top 130%)
Finish26.22 mi1.02 mi17307-526248-366248-3617723(Top 67%)6767(Top 59%)6767(Top 139%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21stories
+97ft-345ft

Overall

17650

Females

6305

F18-39

6305

5K→10K

3.1 - 6.2 mi

Top 63%
×5stories
+79ft-138ft

Overall

16822

Females

5761

F18-39

5761

10K→15K

6.2 - 9.3 mi

Top 66%
×3stories
+67ft-78ft

Overall

17650

Females

6305

F18-39

6305

15K→20K

9.3 - 12.4 mi

Top 67%
×5stories
+106ft-86ft

Overall

17906

Females

6458

F18-39

6458

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

18789

Females

6946

F18-39

6946

Half→25K

13.1 - 15.5 mi

Top 68%
×4stories
+66ft-88ft

Overall

18033

Females

6568

F18-39

6568

25K→30K

15.5 - 18.6 mi

Top 66%
×9stories
+181ft-148ft

Overall

17443

Females

6322

F18-39

6322

30K→20M

18.6 - 20.0 mi

Top 65%
×5stories
+64ft-50ft

Overall

17320

Females

6347

F18-39

6347

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

17524

Females

6492

F18-39

6492

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

17080

Females

6318

F18-39

6318

35K→23M

21.8 - 23.0 mi

Top 67%
×5stories
+23ft-63ft

Overall

17718

Females

6699

F18-39

6699

23M→24M

23.0 - 24.0 mi

Top 68%
×6stories
+12ft-82ft

Overall

18067

Females

6937

F18-39

6937

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

17533

Females

6698

F18-39

6698

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16857

Females

6348

F18-39

6348

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

17723

Females

6767

F18-39

6767

Passing Analysis

Category:
Athletes Passed
870
Passed By
3402
Net Change
-2532
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14775
5K → 10K531068-1015#14775#15790
10K → 15K45703-658#15790#16448
15K → 20K81444-363#16448#16811
20K → Half3123-120#16811#16931
Half → 25K76246-170#16931#17101
25K → 30K172191-19#17101#17120
30K → 20M6986-17#17120#17137
20M → 21M78101-23#17137#17160
21M → 35K5037+13#17160#17147
35K → 23M74117-43#17147#17190
23M → 24M4495-51#17190#17241
24M → 40K6572-7#17241#17248
40K → 25.2M2128-7#17248#17255
25.2M → Finish3991-52#17255#17307
TOTALS8703402-2532
📊

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