Boston Marathon logo
BOSTON MARATHON 2023

Evelina Sande Idenfeldt

Bib: 27593•F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
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
9:57/mi
30:55
↑ 97↓ 3451.5%
10K· 6.21 mi
9:38/mi
1:00:52
↑ 79↓ 1380.4%
15K· 9.32 mi
9:40/mi
1:30:55
↑ 67↓ 78
20K· 12.43 mi
10:10/mi
2:02:29
↑ 106↓ 860.1%
Half· 13.11 mi
9:30/mi
2:08:58
↑ 19↓ 370.5%
25K· 15.53 mi
9:46/mi
2:32:39
↑ 66↓ 880.2%
30K· 18.64 mi
10:05/mi
3:03:58
↑ 181↓ 1480.2%
20M
10:03/mi
3:17:37
↑ 64↓ 500.2%
21M
11:19/mi
3:28:56
↑ 106↓ 241.6%
35K· 21.75 mi
9:41/mi
3:36:11
↑ 17↓ 861.7%
23M
9:57/mi
3:48:38
↑ 23↓ 630.6%
24M
9:52/mi
3:58:30
↓ 821.3%
40K· 24.85 mi
13:28/mi
4:10:01
↓ 200.3%
25.2M
10:47/mi
4:13:44
↑ 13↓ 160.2%
Finish· 26.22 mi
9:47/mi
4:23:42
↑ 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
Time2:08:58
Pace9:50 /mi
2nd Half
Distance13.11 mi
Time2:14:44
Pace10:17 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:0330:559:5730:55
9:57
-
10K
6.21 mi12:18:001:00:529:4829:57
9:38
-0:19
15K
9.32 mi12:48:031:30:559:4530:03
9:40
+0:02
20K
12.43 mi13:19:372:02:299:5131:34
10:10
+0:30
Half
13.11 mi13:26:062:08:589:506:29
9:30
-0:40
25K
15.53 mi13:49:472:32:399:5023:41
9:46
+0:16
30K
18.64 mi14:21:063:03:589:5231:19
10:05
+0:19
20M
20.00 mi14:34:453:17:379:5313:39
10:03
-0:02
21M
21.00 mi14:46:043:28:569:5711:19
11:19
+1:16
35K
21.75 mi14:53:193:36:119:567:15
9:41
-1:38
23M
23.00 mi15:05:463:48:389:5612:27
9:57
+0:16
24M
24.00 mi15:15:383:58:309:569:52
9:52
-0:05
40K
24.85 mi15:27:094:10:0110:0411:31
13:28
+3:36
25.2M
25.20 mi15:30:524:13:4410:043:43
10:47
-2:41
Finish
26.22 mi15:40:504:23:4210:049:58
9:47
-1:00

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

9:30 /mi

Average Pace

10:04 /mi

Slowest Pace

13:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:57:09

90% of race

Time at Slower Pace

26:33

10% of race

Average Pace: 10:03 /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 mi11:48:0330:559:5730:55
9:57
#23336
10K
6.21 mi12:18:001:00:529:4829:57
9:38
#23155
15K
9.32 mi12:48:031:30:559:4530:03
9:40
#23024
20K
12.43 mi13:19:372:02:299:5131:34
10:10
#23083
Half
13.11 mi13:26:062:08:589:506:29
9:30
#23025
25K
15.53 mi13:49:472:32:399:5023:41
9:46
#22785
30K
18.64 mi14:21:063:03:589:5231:19
10:05
#22491
20M
20.00 mi14:34:453:17:379:5313:39
10:03
#22359
21M
21.00 mi14:46:043:28:569:5711:19
11:19
#22307
35K
21.75 mi14:53:193:36:119:567:15
9:41
#22226
23M
23.00 mi15:05:463:48:389:5612:27
9:57
#22102
24M
24.00 mi15:15:383:58:309:569:52
9:52
#22030
40K
24.85 mi15:27:094:10:0110:0411:31
13:28
#22255
25.2M
25.20 mi15:30:524:13:4410:043:43
10:47
#22225
Finish
26.22 mi15:40:504:23:4210:049:58
9:47
#22179
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi233369568956822727(Top 85%)9201(Top 81%)9201(Top 762%)
10K6.21 mi3.10 mi23155+1819447+1219447+12122914(Top 86%)9294(Top 81%)9294(Top 770%)
15K9.32 mi3.11 mi23024+1319369+789369+7822727(Top 85%)9201(Top 81%)9201(Top 762%)
20K12.43 mi3.11 mi23083-599390-219390-2123227(Top 87%)9470(Top 83%)9470(Top 785%)
Half13.11 mi0.68 mi23025+589360+309360+3022132(Top 83%)8856(Top 78%)8856(Top 734%)
25K15.53 mi2.42 mi22785+2409248+1129248+11221661(Top 81%)8648(Top 76%)8648(Top 716%)
30K18.64 mi3.11 mi22491+2949120+1289120+12821245(Top 80%)8490(Top 74%)8490(Top 703%)
20M20.00 mi1.36 mi22359+1329046+749046+7420624(Top 77%)8205(Top 72%)8205(Top 680%)
21M21.00 mi1.00 mi22307+529026+209026+2021530(Top 81%)8754(Top 77%)8754(Top 725%)
35K21.75 mi0.75 mi22226+818986+408986+4020477(Top 77%)8219(Top 72%)8219(Top 681%)
23M23.00 mi1.25 mi22102+1248931+558931+5519840(Top 75%)7876(Top 69%)7876(Top 653%)
24M24.00 mi1.00 mi22030+728895+368895+3620440(Top 77%)8233(Top 72%)8233(Top 682%)
40K24.85 mi0.85 mi22255-2259028-1339028-13325334(Top 95%)10833(Top 95%)10833(Top 898%)
25.2M25.20 mi0.35 mi22225+309011+179011+1719964(Top 75%)8053(Top 70%)8053(Top 667%)
Finish26.22 mi1.02 mi22179+469001+109001+1021106(Top 79%)8615(Top 75%)8615(Top 714%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

22727

Females

9201

F50-54

9201

5K→10K

3.1 - 6.2 mi

Top 86%
×5story building
+79ft-138ft

Overall

22914

Females

9294

F50-54

9294

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

22727

Females

9201

F50-54

9201

15K→20K

9.3 - 12.4 mi

Top 87%
×5story building
+106ft-86ft

Overall

23227

Females

9470

F50-54

9470

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+19ft-37ft

Overall

22132

Females

8856

F50-54

8856

Half→25K

13.1 - 15.5 mi

Top 81%
×4story building
+66ft-88ft

Overall

21661

Females

8648

F50-54

8648

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

21245

Females

8490

F50-54

8490

30K→20M

18.6 - 20.0 mi

Top 77%
×5story building
+64ft-50ft

Overall

20624

Females

8205

F50-54

8205

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

21530

Females

8754

F50-54

8754

21M→35K

21.0 - 21.8 mi

Top 77%
×7story building
+17ft-86ft

Overall

20477

Females

8219

F50-54

8219

35K→23M

21.8 - 23.0 mi

Top 75%
×5story building
+23ft-63ft

Overall

19840

Females

7876

F50-54

7876

23M→24M

23.0 - 24.0 mi

Top 77%
×6story building
+12ft-82ft

Overall

20440

Females

8233

F50-54

8233

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

25334

Females

10833

F50-54

10833

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

19964

Females

8053

F50-54

8053

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

21106

Females

8615

F50-54

8615

Passing Analysis

Category:
Athletes Passed
1881
Passed By
724
Net Change
+1157
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23336
5K → 10K321140+181#23336#23155
10K → 15K21281+131#23155#23024
15K → 20K115174-59#23024#23083
20K → Half635+58#23083#23025
Half → 25K2488+240#23025#22785
25K → 30K30713+294#22785#22491
30K → 20M1408+132#22491#22359
20M → 21M8230+52#22359#22307
21M → 35K843+81#22307#22226
35K → 23M1306+124#22226#22102
23M → 24M808+72#22102#22030
24M → 40K5230-225#22030#22255
40K → 25.2M333+30#22255#22225
25.2M → Finish6115+46#22225#22179
TOTALS1881724+1157
📊

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