Boston Marathon logo
BOSTON MARATHON 2023

Martin Mergl

Bib: 6504•M

QC

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 24%
Masters (Masters Men)
#0 / 9891
Top 11%
Division (M45-49)
#0 / 2252
Top 13%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:59
Rank: #1953
Start → 5K
19:59 | 6:26/mi
10K· 6.21 mi
39:53
Rank: #2091 (-138)
5K → 10K
19:54 | 6:24/mi
15K· 9.32 mi
1:00:00
Rank: #2187 (-96)
10K → 15K
20:07 | 6:28/mi
20K· 12.43 mi
1:20:41
Rank: #2406 (-219)
15K → 20K
20:41 | 6:39/mi
Half· 13.11 mi
1:25:14
Rank: #2466 (-60)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:41:48
Rank: #2700 (-234)
Half → 25K
16:34 | 6:50/mi
30K· 18.64 mi
2:03:33
Rank: #2901 (-201)
25K → 30K
21:45 | 7:00/mi
20M
2:13:19
Rank: #3045 (-144)
30K → 20M
9:46 | 7:11/mi
21M
2:21:20
Rank: #3301 (-256)
20M → 21M
8:01 | 8:01/mi
35K· 21.75 mi
2:26:32
Rank: #3346 (-45)
21M → 35K
5:12 | 6:57/mi
23M
2:35:42
Rank: #3489 (-143)
35K → 23M
9:10 | 7:19/mi
24M
2:42:49
Rank: #3589 (-100)
23M → 24M
7:07 | 7:07/mi
40K· 24.85 mi
2:49:00
Rank: #3646 (-57)
24M → 40K
6:11 | 7:14/mi
25.2M
2:51:49
Rank: #3744 (-98)
40K → 25.2M
2:49 | 8:10/mi
Finish· 26.22 mi
2:59:12
Rank: #3919 (-175)
25.2M → Finish
7:23 | 7:15/mi

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
Time1:25:14
Pace6:30 /mi
2nd Half
Distance13.11 mi
Time1:33:58
Pace7:10 /mi
📊Positive Split: 10.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:1219:596:2619:59
6:26
-
10K
6.21 mi10:43:0639:536:2519:54
6:24
-0:02
15K
9.32 mi11:03:131:00:006:2620:07
6:28
+0:04
20K
12.43 mi11:23:541:20:416:3020:41
6:39
+0:11
Half
13.11 mi11:28:271:25:146:304:33
6:40
+0:01
25K
15.53 mi11:45:011:41:486:3316:34
6:50
+0:10
30K
18.64 mi12:06:462:03:336:3821:45
7:00
+0:10
20M
20.00 mi12:16:322:13:196:409:46
7:11
+0:11
21M
21.00 mi12:24:332:21:206:448:01
8:01
+0:50
35K
21.75 mi12:29:452:26:326:445:12
6:57
-1:04
23M
23.00 mi12:38:552:35:426:469:10
7:19
+0:22
24M
24.00 mi12:46:022:42:496:477:07
7:07
-0:12
40K
24.85 mi12:52:132:49:006:486:11
7:14
+0:07
25.2M
25.20 mi12:55:022:51:496:492:49
8:10
+0:56
Finish
26.22 mi13:02:252:59:126:507:23
7:15
-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

6:24 /mi

Average Pace

6:50 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:14

48% of race

Time at Steady Pace

1:13:58

41% of race

Time at Slower Pace

20:00

11% of race

Average Pace: 6:50 /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 mi10:23:1219:596:2619:59
6:26
#1953
10K
6.21 mi10:43:0639:536:2519:54
6:24
#2091
15K
9.32 mi11:03:131:00:006:2620:07
6:28
#2187
20K
12.43 mi11:23:541:20:416:3020:41
6:39
#2406
Half
13.11 mi11:28:271:25:146:304:33
6:40
#2466
25K
15.53 mi11:45:011:41:486:3316:34
6:50
#2700
30K
18.64 mi12:06:462:03:336:3821:45
7:00
#2901
20M
20.00 mi12:16:322:13:196:409:46
7:11
#3045
21M
21.00 mi12:24:332:21:206:448:01
8:01
#3301
35K
21.75 mi12:29:452:26:326:445:12
6:57
#3346
23M
23.00 mi12:38:552:35:426:469:10
7:19
#3489
24M
24.00 mi12:46:022:42:496:477:07
7:07
#3589
40K
24.85 mi12:52:132:49:006:486:11
7:14
#3646
25.2M
25.20 mi12:55:022:51:496:492:49
8:10
#3744
Finish
26.22 mi13:02:252:59:126:507:23
7:15
#3919
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi1953186418642496(Top 9%)2395(Top 16%)2395(Top 106%)
10K6.21 mi3.10 mi2091-1382001-1372001-1372274(Top 9%)2177(Top 14%)2177(Top 97%)
15K9.32 mi3.11 mi2187-962097-962097-962496(Top 9%)2395(Top 16%)2395(Top 106%)
20K12.43 mi3.11 mi2406-2192304-2072304-2073238(Top 12%)3075(Top 20%)3075(Top 137%)
Half13.11 mi0.68 mi2466-602363-592363-594038(Top 15%)3790(Top 25%)3790(Top 168%)
25K15.53 mi2.42 mi2700-2342580-2172580-2174416(Top 17%)4114(Top 27%)4114(Top 183%)
30K18.64 mi3.11 mi2901-2012775-1952775-1954337(Top 16%)4029(Top 27%)4029(Top 179%)
20M20.00 mi1.36 mi3045-1442902-1272902-1275026(Top 19%)4559(Top 30%)4559(Top 202%)
21M21.00 mi1.00 mi3301-2563128-2263128-2267401(Top 28%)6105(Top 40%)6105(Top 271%)
35K21.75 mi0.75 mi3346-453167-393167-395027(Top 19%)4502(Top 30%)4502(Top 200%)
23M23.00 mi1.25 mi3489-1433298-1313298-1315399(Top 20%)4752(Top 31%)4752(Top 211%)
24M24.00 mi1.00 mi3589-1003389-913389-915252(Top 20%)4597(Top 30%)4597(Top 204%)
40K24.85 mi0.85 mi3646-573432-433432-435031(Top 19%)4361(Top 29%)4361(Top 194%)
25.2M25.20 mi0.35 mi3744-983519-873519-877376(Top 28%)5776(Top 38%)5776(Top 256%)
Finish26.22 mi1.02 mi3919-1753674-1553674-1556685(Top 25%)5358(Top 35%)5358(Top 238%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2496

Males

2395

M45-49

2395

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2274

Males

2177

M45-49

2177

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2496

Males

2395

M45-49

2395

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3238

Males

3075

M45-49

3075

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4038

Males

3790

M45-49

3790

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4416

Males

4114

M45-49

4114

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4337

Males

4029

M45-49

4029

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

5026

Males

4559

M45-49

4559

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

7401

Males

6105

M45-49

6105

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5027

Males

4502

M45-49

4502

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5399

Males

4752

M45-49

4752

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5252

Males

4597

M45-49

4597

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5031

Males

4361

M45-49

4361

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7376

Males

5776

M45-49

5776

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

6685

Males

5358

M45-49

5358

Passing Analysis

Category:
Athletes Passed
292
Passed By
2258
Net Change
-1966
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1953
5K → 10K57195-138#1953#2091
10K → 15K32128-96#2091#2187
15K → 20K23242-219#2187#2406
20K → Half161-60#2406#2466
Half → 25K11245-234#2466#2700
25K → 30K36237-201#2700#2901
30K → 20M16160-144#2901#3045
20M → 21M6262-256#3045#3301
21M → 35K1661-45#3301#3346
35K → 23M31174-143#3346#3489
23M → 24M14114-100#3489#3589
24M → 40K3188-57#3589#3646
40K → 25.2M5103-98#3646#3744
25.2M → Finish13188-175#3744#3919
TOTALS2922258-1966
📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing