Boston Marathon logo
BOSTON MARATHON 2023

Adriana Rivera

Bib: 18427•F

FL

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 44%
Gender (Female)
#0 / 11423
Top 26%
Masters (Masters Women)
#0 / 6539
Top 13%
Division (F40-44)
#0 / 1878
Top 26%
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
7:45/mi
24:04
↑ 97↓ 3451.5%
10K· 6.21 mi
7:48/mi
48:19
↑ 79↓ 1380.4%
15K· 9.32 mi
7:55/mi
1:12:56
↑ 67↓ 78
20K· 12.43 mi
7:54/mi
1:37:29
↑ 106↓ 860.1%
Half· 13.11 mi
7:50/mi
1:42:50
↑ 19↓ 370.5%
25K· 15.53 mi
7:58/mi
2:02:10
↑ 66↓ 880.2%
30K· 18.64 mi
8:08/mi
2:27:27
↑ 181↓ 1480.2%
20M
8:11/mi
2:38:34
↑ 64↓ 500.2%
21M
8:35/mi
2:47:09
↑ 106↓ 241.6%
35K· 21.75 mi
8:05/mi
2:53:12
↑ 17↓ 861.7%
23M
8:11/mi
3:03:27
↑ 23↓ 630.6%
24M
7:44/mi
3:11:11
↓ 821.3%
40K· 24.85 mi
7:55/mi
3:17:57
↓ 200.3%
25.2M
8:22/mi
3:20:50
↑ 13↓ 160.2%
Finish· 26.22 mi
7:25/mi
3:28:23
↑ 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
Time1:42:50
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:45:33
Pace8:03 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:2224:047:4524:04
7:45
-
10K
6.21 mi11:20:3748:197:4724:15
7:48
+0:03
15K
9.32 mi11:45:141:12:567:4924:37
7:55
+0:07
20K
12.43 mi12:09:471:37:297:5124:33
7:54
-0:01
Half
13.11 mi12:15:081:42:507:515:21
7:50
-0:04
25K
15.53 mi12:34:282:02:107:5219:20
7:58
+0:08
30K
18.64 mi12:59:452:27:277:5525:17
8:08
+0:10
20M
20.00 mi13:10:522:38:347:5611:07
8:11
+0:03
21M
21.00 mi13:19:272:47:097:588:35
8:35
+0:24
35K
21.75 mi13:25:302:53:127:586:03
8:05
-0:30
23M
23.00 mi13:35:453:03:277:5910:15
8:11
+0:06
24M
24.00 mi13:43:293:11:117:587:44
7:44
-0:27
40K
24.85 mi13:50:153:17:577:586:46
7:55
+0:11
25.2M
25.20 mi13:53:083:20:507:582:53
8:22
+0:27
Finish
26.22 mi14:00:413:28:237:577:33
7:25
-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

7:25 /mi

Average Pace

7:57 /mi

Slowest Pace

8:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:55:33

84% of race

Time at Steady Pace

32:50

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:57 /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 mi10:56:2224:047:4524:04
7:45
#11895
10K
6.21 mi11:20:3748:197:4724:15
7:48
#12506
15K
9.32 mi11:45:141:12:567:4924:37
7:55
#12930
20K
12.43 mi12:09:471:37:297:5124:33
7:54
#12803
Half
13.11 mi12:15:081:42:507:515:21
7:50
#12811
25K
15.53 mi12:34:282:02:107:5219:20
7:58
#12722
30K
18.64 mi12:59:452:27:277:5525:17
8:08
#12553
20M
20.00 mi13:10:522:38:347:5611:07
8:11
#12450
21M
21.00 mi13:19:272:47:097:588:35
8:35
#12330
35K
21.75 mi13:25:302:53:127:586:03
8:05
#12340
23M
23.00 mi13:35:453:03:277:5910:15
8:11
#12260
24M
24.00 mi13:43:293:11:117:587:44
7:44
#12132
40K
24.85 mi13:50:153:17:577:586:46
7:55
#12001
25.2M
25.20 mi13:53:083:20:507:582:53
8:22
#11943
Finish
26.22 mi14:00:413:28:237:577:33
7:25
#11754
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi118952809280913765(Top 52%)3938(Top 34%)3938(Top 210%)
10K6.21 mi3.10 mi12506-6113159-3503159-35013178(Top 50%)3533(Top 31%)3533(Top 188%)
15K9.32 mi3.11 mi12930-4243415-2563415-25613765(Top 52%)3938(Top 34%)3938(Top 210%)
20K12.43 mi3.11 mi12803+1273367+483367+4812643(Top 47%)3345(Top 29%)3345(Top 178%)
Half13.11 mi0.68 mi12811-83369-23369-213129(Top 49%)3563(Top 31%)3563(Top 190%)
25K15.53 mi2.42 mi12722+893346+233346+2312527(Top 47%)3367(Top 29%)3367(Top 179%)
30K18.64 mi3.11 mi12553+1693288+583288+5811914(Top 45%)3136(Top 27%)3136(Top 167%)
20M20.00 mi1.36 mi12450+1033240+483240+4811584(Top 44%)3046(Top 27%)3046(Top 162%)
21M21.00 mi1.00 mi12330+1203191+493191+4910989(Top 41%)2862(Top 25%)2862(Top 152%)
35K21.75 mi0.75 mi12340-103218-273218-2712723(Top 48%)3830(Top 34%)3830(Top 204%)
23M23.00 mi1.25 mi12260+803202+163202+1611121(Top 42%)3075(Top 27%)3075(Top 164%)
24M24.00 mi1.00 mi12132+1283149+533149+539339(Top 35%)2269(Top 20%)2269(Top 121%)
40K24.85 mi0.85 mi12001+1313100+493100+499493(Top 36%)2408(Top 21%)2408(Top 128%)
25.2M25.20 mi0.35 mi11943+583070+303070+308763(Top 33%)2166(Top 19%)2166(Top 115%)
Finish26.22 mi1.02 mi11754+1892986+842986+847892(Top 30%)1791(Top 16%)1791(Top 95%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

13765

Females

3938

F40-44

3938

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

13178

Females

3533

F40-44

3533

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

13765

Females

3938

F40-44

3938

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

12643

Females

3345

F40-44

3345

20K→Half

12.4 - 13.1 mi

Top 49%
×2story building
+19ft-37ft

Overall

13129

Females

3563

F40-44

3563

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

12527

Females

3367

F40-44

3367

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

11914

Females

3136

F40-44

3136

30K→20M

18.6 - 20.0 mi

Top 44%
×5story building
+64ft-50ft

Overall

11584

Females

3046

F40-44

3046

20M→21M

20.0 - 21.0 mi

Top 41%
×8story building
+106ft-24ft

Overall

10989

Females

2862

F40-44

2862

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

12723

Females

3830

F40-44

3830

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

11121

Females

3075

F40-44

3075

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

9339

Females

2269

F40-44

2269

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9493

Females

2408

F40-44

2408

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8763

Females

2166

F40-44

2166

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2story building
+22ft-21ft

Overall

7892

Females

1791

F40-44

1791

Passing Analysis

Category:
Athletes Passed
1937
Passed By
1796
Net Change
+141
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11895
5K → 10K112723-611#11895#12506
10K → 15K65489-424#12506#12930
15K → 20K256129+127#12930#12803
20K → Half2937-8#12803#12811
Half → 25K18495+89#12811#12722
25K → 30K275106+169#12722#12553
30K → 20M15249+103#12553#12450
20M → 21M14929+120#12450#12330
21M → 35K4353-10#12330#12340
35K → 23M12444+80#12340#12260
23M → 24M13810+128#12260#12132
24M → 40K14716+131#12132#12001
40K → 25.2M657+58#12001#11943
25.2M → Finish1989+189#11943#11754
TOTALS19371796+141
📊

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