Boston Marathon logo
BOSTON MARATHON 2023

Danrey Toth

Bib: 16855•F

IL

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 37%
Masters (Masters Women)
#0 / 6539
Top 24%
Division (F55-59)
#0 / 815
Top 8%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
8:26/mi
26:12
↑ 97↓ 3451.5%
10K· 6.21 mi
8:12/mi
51:40
↑ 79↓ 1380.4%
15K· 9.32 mi
8:01/mi
1:16:33
↑ 67↓ 78
20K· 12.43 mi
8:05/mi
1:41:39
↑ 106↓ 860.1%
Half· 13.11 mi
7:53/mi
1:47:02
↑ 19↓ 370.5%
25K· 15.53 mi
8:03/mi
2:06:33
↑ 66↓ 880.2%
30K· 18.64 mi
8:26/mi
2:32:44
↑ 181↓ 1480.2%
20M
8:20/mi
2:44:03
↑ 64↓ 500.2%
21M
8:52/mi
2:52:55
↑ 106↓ 241.6%
35K· 21.75 mi
8:37/mi
2:59:22
↑ 17↓ 861.7%
23M
8:30/mi
3:10:00
↑ 23↓ 630.6%
24M
8:00/mi
3:18:00
↓ 821.3%
40K· 24.85 mi
8:10/mi
3:24:59
↓ 200.3%
25.2M
8:51/mi
3:28:02
↑ 13↓ 160.2%
Finish· 26.22 mi
7:54/mi
3:36:05
↑ 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
Time1:47:02
Pace8:10 /mi
2nd Half
Distance13.11 mi
Time1:49:03
Pace8:19 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:4326:128:2626:12
8:26
-
10K
6.21 mi11:44:1151:408:1925:28
8:12
-0:14
15K
9.32 mi12:09:041:16:338:1324:53
8:01
-0:11
20K
12.43 mi12:34:101:41:398:1125:06
8:05
+0:04
Half
13.11 mi12:39:331:47:028:105:23
7:53
-0:12
25K
15.53 mi12:59:042:06:338:0919:31
8:03
+0:10
30K
18.64 mi13:25:152:32:448:1226:11
8:26
+0:23
20M
20.00 mi13:36:342:44:038:1211:19
8:20
-0:06
21M
21.00 mi13:45:262:52:558:148:52
8:52
+0:32
35K
21.75 mi13:51:532:59:228:156:27
8:37
-0:15
23M
23.00 mi14:02:313:10:008:1610:38
8:30
-0:07
24M
24.00 mi14:10:313:18:008:158:00
8:00
-0:30
40K
24.85 mi14:17:303:24:598:156:59
8:10
+0:10
25.2M
25.20 mi14:20:333:28:028:153:03
8:51
+0:41
Finish
26.22 mi14:28:363:36:058:158:03
7:54
-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

7:53 /mi

Average Pace

8:15 /mi

Slowest Pace

8:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:24:10

94% of race

Time at Steady Pace

11:55

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:14 /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 mi11:18:4326:128:2626:12
8:26
#17111
10K
6.21 mi11:44:1151:408:1925:28
8:12
#16616
15K
9.32 mi12:09:041:16:338:1324:53
8:01
#15923
20K
12.43 mi12:34:101:41:398:1125:06
8:05
#15436
Half
13.11 mi12:39:331:47:028:105:23
7:53
#15330
25K
15.53 mi12:59:042:06:338:0919:31
8:03
#14958
30K
18.64 mi13:25:152:32:448:1226:11
8:26
#14759
20M
20.00 mi13:36:342:44:038:1211:19
8:20
#14574
21M
21.00 mi13:45:262:52:558:148:52
8:52
#14449
35K
21.75 mi13:51:532:59:228:156:27
8:37
#14508
23M
23.00 mi14:02:313:10:008:1610:38
8:30
#14414
24M
24.00 mi14:10:313:18:008:158:00
8:00
#14248
40K
24.85 mi14:17:303:24:598:156:59
8:10
#14109
25.2M
25.20 mi14:20:333:28:028:153:03
8:51
#14060
Finish
26.22 mi14:28:363:36:058:158:03
7:54
#13933
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi171116000600014472(Top 54%)4364(Top 38%)4364(Top 535%)
10K6.21 mi3.10 mi16616+4955652+3485652+34816227(Top 61%)5412(Top 47%)5412(Top 664%)
15K9.32 mi3.11 mi15923+6935231+4215231+42114472(Top 54%)4364(Top 38%)4364(Top 535%)
20K12.43 mi3.11 mi15436+4874953+2784953+27814100(Top 53%)4163(Top 36%)4163(Top 511%)
Half13.11 mi0.68 mi15330+1064894+594894+5913574(Top 51%)3850(Top 34%)3850(Top 472%)
25K15.53 mi2.42 mi14958+3724684+2104684+21013170(Top 49%)3731(Top 33%)3731(Top 458%)
30K18.64 mi3.11 mi14759+1994589+954589+9513862(Top 52%)4247(Top 37%)4247(Top 521%)
20M20.00 mi1.36 mi14574+1854513+764513+7612573(Top 47%)3630(Top 32%)3630(Top 445%)
21M21.00 mi1.00 mi14449+1254466+474466+4712690(Top 48%)3786(Top 33%)3786(Top 465%)
35K21.75 mi0.75 mi14508-594509-434509-4315976(Top 60%)5666(Top 50%)5666(Top 695%)
23M23.00 mi1.25 mi14414+944480+294480+2913193(Top 50%)4178(Top 37%)4178(Top 513%)
24M24.00 mi1.00 mi14248+1664397+834397+8311277(Top 42%)3239(Top 28%)3239(Top 397%)
40K24.85 mi0.85 mi14109+1394336+614336+6111194(Top 42%)3264(Top 29%)3264(Top 400%)
25.2M25.20 mi0.35 mi14060+494314+224314+2211681(Top 44%)3577(Top 31%)3577(Top 439%)
Finish26.22 mi1.02 mi13933+1274254+604254+6011433(Top 43%)3421(Top 30%)3421(Top 420%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

14472

Females

4364

F55-59

4364

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

16227

Females

5412

F55-59

5412

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

14472

Females

4364

F55-59

4364

15K→20K

9.3 - 12.4 mi

Top 53%
×5story building
+106ft-86ft

Overall

14100

Females

4163

F55-59

4163

20K→Half

12.4 - 13.1 mi

Top 51%
×2story building
+19ft-37ft

Overall

13574

Females

3850

F55-59

3850

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

13170

Females

3731

F55-59

3731

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

13862

Females

4247

F55-59

4247

30K→20M

18.6 - 20.0 mi

Top 47%
×5story building
+64ft-50ft

Overall

12573

Females

3630

F55-59

3630

20M→21M

20.0 - 21.0 mi

Top 48%
×8story building
+106ft-24ft

Overall

12690

Females

3786

F55-59

3786

21M→35K

21.0 - 21.8 mi

Top 60%
×7story building
+17ft-86ft

Overall

15976

Females

5666

F55-59

5666

35K→23M

21.8 - 23.0 mi

Top 50%
×5story building
+23ft-63ft

Overall

13193

Females

4178

F55-59

4178

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

11277

Females

3239

F55-59

3239

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11194

Females

3264

F55-59

3264

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11681

Females

3577

F55-59

3577

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

11433

Females

3421

F55-59

3421

Passing Analysis

Category:
Athletes Passed
3654
Passed By
476
Net Change
+3178
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17111
5K → 10K624129+495#17111#16616
10K → 15K72229+693#16616#15923
15K → 20K50518+487#15923#15436
20K → Half1093+106#15436#15330
Half → 25K38210+372#15330#14958
25K → 30K27576+199#14958#14759
30K → 20M20015+185#14759#14574
20M → 21M15227+125#14574#14449
21M → 35K2786-59#14449#14508
35K → 23M12733+94#14508#14414
23M → 24M17812+166#14414#14248
24M → 40K14910+139#14248#14109
40K → 25.2M6112+49#14109#14060
25.2M → Finish14316+127#14060#13933
TOTALS3654476+3178
📊

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