Boston Marathon logo
BOSTON MARATHON 2024

Tatjana Pozarnik

Bib: 20204•F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 48%
Masters (Masters Women)
#0 / 6263
Top 39%
Division (F45-49)
#0 / 1753
Top 49%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:51/mi
24:24
↑ 97↓ 3451.5%
10K· 6.21 mi
8:21/mi
50:20
↑ 79↓ 1380.4%
15K· 9.32 mi
8:37/mi
1:17:05
↑ 67↓ 78
20K· 12.43 mi
8:53/mi
1:44:41
↑ 106↓ 860.1%
Half· 13.11 mi
8:36/mi
1:50:33
↑ 19↓ 370.5%
25K· 15.53 mi
9:04/mi
2:12:33
↑ 66↓ 880.2%
30K· 18.64 mi
9:20/mi
2:41:34
↑ 181↓ 1480.2%
20M
9:34/mi
2:54:34
↑ 64↓ 500.2%
21M
9:57/mi
3:04:31
↑ 106↓ 241.6%
35K· 21.75 mi
9:00/mi
3:11:15
↑ 17↓ 861.7%
23M
9:12/mi
3:22:46
↑ 23↓ 630.6%
24M
9:19/mi
3:32:05
↓ 821.3%
40K· 24.85 mi
9:26/mi
3:40:09
↓ 200.3%
25.2M
10:52/mi
3:43:54
↑ 13↓ 160.2%
Finish· 26.22 mi
8:47/mi
3:52:51
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:33
Pace8:26 /mi
2nd Half
Distance13.11 mi
Time2:02:18
Pace9:20 /mi
📊Positive Split: 10.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:1024:247:5124:24
7:51
-
10K
6.21 mi11:45:0650:208:0625:56
8:21
+0:30
15K
9.32 mi12:11:511:17:058:1626:45
8:37
+0:16
20K
12.43 mi12:39:271:44:418:2527:36
8:53
+0:16
Half
13.11 mi12:45:191:50:338:265:52
8:36
-0:17
25K
15.53 mi13:07:192:12:338:3222:00
9:04
+0:28
30K
18.64 mi13:36:202:41:348:4029:01
9:20
+0:16
20M
20.00 mi13:49:202:54:348:4413:00
9:34
+0:14
21M
21.00 mi13:59:173:04:318:479:57
9:57
+0:23
35K
21.75 mi14:06:013:11:158:486:44
9:00
-0:57
23M
23.00 mi14:17:323:22:468:4911:31
9:12
+0:12
24M
24.00 mi14:26:513:32:058:509:19
9:19
+0:07
40K
24.85 mi14:34:553:40:098:518:04
9:26
+0:07
25.2M
25.20 mi14:38:403:43:548:533:45
10:52
+1:26
Finish
26.22 mi14:47:373:52:518:538:57
8:47
-2:05

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

7:51 /mi

Average Pace

8:53 /mi

Slowest Pace

10:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:22:57

36% of race

Time at Steady Pace

1:55:08

49% of race

Time at Slower Pace

34:46

15% of race

Average Pace: 8:53 /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 mi11:19:1024:247:5124:24
7:51
#13531
10K
6.21 mi11:45:0650:208:0625:56
8:21
#15117
15K
9.32 mi12:11:511:17:058:1626:45
8:37
#15732
20K
12.43 mi12:39:271:44:418:2527:36
8:53
#15966
Half
13.11 mi12:45:191:50:338:265:52
8:36
#15987
25K
15.53 mi13:07:192:12:338:3222:00
9:04
#15927
30K
18.64 mi13:36:202:41:348:4029:01
9:20
#15711
20M
20.00 mi13:49:202:54:348:4413:00
9:34
#15652
21M
21.00 mi13:59:173:04:318:479:57
9:57
#15456
35K
21.75 mi14:06:013:11:158:486:44
9:00
#15382
23M
23.00 mi14:17:323:22:468:4911:31
9:12
#15201
24M
24.00 mi14:26:513:32:058:509:19
9:19
#15113
40K
24.85 mi14:34:553:40:098:518:04
9:26
#14982
25.2M
25.20 mi14:38:403:43:548:533:45
10:52
#14949
Finish
26.22 mi14:47:373:52:518:538:57
8:47
#14855
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi135314022402217026(Top 67%)6151(Top 56%)6151(Top 351%)
10K6.21 mi3.10 mi15117-15865009-9875009-98716415(Top 64%)5771(Top 53%)5771(Top 329%)
15K9.32 mi3.11 mi15732-6155399-3905399-39017026(Top 67%)6151(Top 56%)6151(Top 351%)
20K12.43 mi3.11 mi15966-2345553-1545553-15416805(Top 66%)6063(Top 56%)6063(Top 346%)
Half13.11 mi0.68 mi15987-215577-245577-2416278(Top 64%)5786(Top 53%)5786(Top 330%)
25K15.53 mi2.42 mi15927+605568+95568+915849(Top 62%)5628(Top 52%)5628(Top 321%)
30K18.64 mi3.11 mi15711+2165498+705498+7014793(Top 58%)5304(Top 49%)5304(Top 303%)
20M20.00 mi1.36 mi15652+595508-105508-1014808(Top 58%)5560(Top 51%)5560(Top 317%)
21M21.00 mi1.00 mi15456+1965433+755433+7512784(Top 50%)4677(Top 43%)4677(Top 267%)
35K21.75 mi0.75 mi15382+745421+125421+1213335(Top 52%)4980(Top 46%)4980(Top 284%)
23M23.00 mi1.25 mi15201+1815362+595362+5912144(Top 48%)4487(Top 41%)4487(Top 256%)
24M24.00 mi1.00 mi15113+885346+165346+1613633(Top 53%)5251(Top 48%)5251(Top 300%)
40K24.85 mi0.85 mi14982+1315317+295317+2912865(Top 50%)4978(Top 46%)4978(Top 284%)
25.2M25.20 mi0.35 mi14949+335315+25315+214101(Top 55%)5610(Top 51%)5610(Top 320%)
Finish26.22 mi1.02 mi14855+945297+185297+1813086(Top 51%)5019(Top 46%)5019(Top 286%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

17026

Females

6151

F45-49

6151

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

16415

Females

5771

F45-49

5771

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

17026

Females

6151

F45-49

6151

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

16805

Females

6063

F45-49

6063

20K→Half

12.4 - 13.1 mi

Top 64%
×2story building
+19ft-37ft

Overall

16278

Females

5786

F45-49

5786

Half→25K

13.1 - 15.5 mi

Top 62%
×4story building
+66ft-88ft

Overall

15849

Females

5628

F45-49

5628

25K→30K

15.5 - 18.6 mi

Top 58%
×9story building
+181ft-148ft

Overall

14793

Females

5304

F45-49

5304

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

14808

Females

5560

F45-49

5560

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

12784

Females

4677

F45-49

4677

21M→35K

21.0 - 21.8 mi

Top 52%
×7story building
+17ft-86ft

Overall

13335

Females

4980

F45-49

4980

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

12144

Females

4487

F45-49

4487

23M→24M

23.0 - 24.0 mi

Top 53%
×6story building
+12ft-82ft

Overall

13633

Females

5251

F45-49

5251

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

12865

Females

4978

F45-49

4978

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14101

Females

5610

F45-49

5610

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2story building
+22ft-21ft

Overall

13086

Females

5019

F45-49

5019

Passing Analysis

Category:
Athletes Passed
2098
Passed By
3422
Net Change
-1324
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13531
5K → 10K341620-1586#13531#15117
10K → 15K92707-615#15117#15732
15K → 20K187421-234#15732#15966
20K → Half3657-21#15966#15987
Half → 25K233173+60#15987#15927
25K → 30K354138+216#15927#15711
30K → 20M15091+59#15711#15652
20M → 21M22226+196#15652#15456
21M → 35K10834+74#15456#15382
35K → 23M21130+181#15382#15201
23M → 24M12941+88#15201#15113
24M → 40K15928+131#15113#14982
40K → 25.2M5825+33#14982#14949
25.2M → Finish12531+94#14949#14855
TOTALS20983422-1324
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing