Boston Marathon logo
BOSTON MARATHON 2023

Russ Gorski

Bib: 17214•M

MI

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Top 48%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:51
Rank: #13998
Start → 5K
8:00/mi
24:51 split
10K· 6.21 mi
49:23
Rank: #13966 (+32)
5K → 10K
7:54/mi
24:32 split
15K· 9.32 mi
1:14:07
Rank: #13980 (-14)
10K → 15K
7:58/mi
24:44 split
20K· 12.43 mi
1:39:06
Rank: #13896 (+84)
15K → 20K
8:02/mi
24:59 split
Half· 13.11 mi
1:44:31
Rank: #13877 (+19)
20K → Half
7:56/mi
5:25 split
25K· 15.53 mi
2:04:22
Rank: #13918 (-41)
Half → 25K
8:11/mi
19:51 split
30K· 18.64 mi
2:30:31
Rank: #13881 (+37)
25K → 30K
8:25/mi
26:09 split
20M
2:42:08
Rank: #13881
30K → 20M
8:33/mi
11:37 split
21M
2:51:07
Rank: #13827 (+54)
20M → 21M
8:59/mi
8:59 split
35K· 21.75 mi
2:57:19
Rank: #13830 (-3)
21M → 35K
8:17/mi
6:12 split
23M
3:08:09
Rank: #13812 (+18)
35K → 23M
8:39/mi
10:50 split
24M
3:16:37
Rank: #13819 (-7)
23M → 24M
8:28/mi
8:28 split
40K· 24.85 mi
3:24:05
Rank: #13843 (-24)
24M → 40K
8:44/mi
7:28 split
25.2M
3:27:16
Rank: #13839 (+4)
40K → 25.2M
9:14/mi
3:11 split
Finish· 26.22 mi
3:35:44
Rank: #13834 (+5)
25.2M → Finish
8:19/mi
8:28 split

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
Time1:44:31
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:51:13
Pace8:29 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:1824:518:0024:51
8:00
-
10K
6.21 mi11:39:5049:237:5724:32
7:54
-0:06
15K
9.32 mi12:04:341:14:077:5724:44
7:58
+0:04
20K
12.43 mi12:29:331:39:067:5824:59
8:02
+0:04
Half
13.11 mi12:34:581:44:317:585:25
7:56
-0:06
25K
15.53 mi12:54:492:04:228:0019:51
8:11
+0:15
30K
18.64 mi13:20:582:30:318:0426:09
8:25
+0:14
20M
20.00 mi13:32:352:42:088:0611:37
8:33
+0:08
21M
21.00 mi13:41:342:51:078:098:59
8:59
+0:26
35K
21.75 mi13:47:462:57:198:096:12
8:17
-0:42
23M
23.00 mi13:58:363:08:098:1110:50
8:39
+0:22
24M
24.00 mi14:07:043:16:378:128:28
8:28
-0:11
40K
24.85 mi14:14:323:24:058:137:28
8:44
+0:16
25.2M
25.20 mi14:17:433:27:168:133:11
9:14
+0:30
Finish
26.22 mi14:26:113:35:448:148:28
8:19
-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

7:54 /mi

Average Pace

8:14 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:06

91% of race

Time at Steady Pace

19:38

9% 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 mi11:15:1824:518:0024:51
8:00
#13998
10K
6.21 mi11:39:5049:237:5724:32
7:54
#13966
15K
9.32 mi12:04:341:14:077:5724:44
7:58
#13980
20K
12.43 mi12:29:331:39:067:5824:59
8:02
#13896
Half
13.11 mi12:34:581:44:317:585:25
7:56
#13877
25K
15.53 mi12:54:492:04:228:0019:51
8:11
#13918
30K
18.64 mi13:20:582:30:318:0426:09
8:25
#13881
20M
20.00 mi13:32:352:42:088:0611:37
8:33
#13881
21M
21.00 mi13:41:342:51:078:098:59
8:59
#13827
35K
21.75 mi13:47:462:57:198:096:12
8:17
#13830
23M
23.00 mi13:58:363:08:098:1110:50
8:39
#13812
24M
24.00 mi14:07:043:16:378:128:28
8:28
#13819
40K
24.85 mi14:14:323:24:058:137:28
8:44
#13843
25.2M
25.20 mi14:17:433:27:168:133:11
9:14
#13839
Finish
26.22 mi14:26:113:35:448:148:28
8:19
#13834
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi139989951995114063(Top 53%)9924(Top 65%)9924(Top 698%)
10K6.21 mi3.10 mi13966+329924+279924+2713947(Top 52%)9916(Top 65%)9916(Top 697%)
15K9.32 mi3.11 mi13980-149915+99915+914063(Top 53%)9924(Top 65%)9924(Top 698%)
20K12.43 mi3.11 mi13896+849858+579858+5713757(Top 52%)9774(Top 64%)9774(Top 687%)
Half13.11 mi0.68 mi13877+199850+89850+813843(Top 52%)9837(Top 65%)9837(Top 692%)
25K15.53 mi2.42 mi13918-419838+129838+1214129(Top 53%)9810(Top 65%)9810(Top 690%)
30K18.64 mi3.11 mi13881+379796+429796+4213787(Top 52%)9567(Top 63%)9567(Top 673%)
20M20.00 mi1.36 mi138819775+219775+2113910(Top 52%)9535(Top 63%)9535(Top 671%)
21M21.00 mi1.00 mi13827+549740+359740+3513291(Top 50%)9172(Top 60%)9172(Top 645%)
35K21.75 mi0.75 mi13830-39723+179723+1714002(Top 53%)9421(Top 62%)9421(Top 663%)
23M23.00 mi1.25 mi13812+189688+359688+3514069(Top 53%)9391(Top 62%)9391(Top 660%)
24M24.00 mi1.00 mi13819-79655+339655+3314247(Top 54%)9413(Top 62%)9413(Top 662%)
40K24.85 mi0.85 mi13843-249647+89647+814677(Top 55%)9527(Top 63%)9527(Top 670%)
25.2M25.20 mi0.35 mi13839+49643+49643+413740(Top 52%)9108(Top 60%)9108(Top 641%)
Finish26.22 mi1.02 mi13834+59628+159628+1514139(Top 53%)9305(Top 61%)9305(Top 654%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21story building
+97ft-345ft

Overall

14063

Males

9924

M55-59

9924

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

13947

Males

9916

M55-59

9916

10K→15K

6.2 - 9.3 mi

Top 53%
×3story building
+67ft-78ft

Overall

14063

Males

9924

M55-59

9924

15K→20K

9.3 - 12.4 mi

Top 52%
×5story building
+106ft-86ft

Overall

13757

Males

9774

M55-59

9774

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

13843

Males

9837

M55-59

9837

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

14129

Males

9810

M55-59

9810

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

13787

Males

9567

M55-59

9567

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

13910

Males

9535

M55-59

9535

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

13291

Males

9172

M55-59

9172

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

14002

Males

9421

M55-59

9421

35K→23M

21.8 - 23.0 mi

Top 53%
×5story building
+23ft-63ft

Overall

14069

Males

9391

M55-59

9391

23M→24M

23.0 - 24.0 mi

Top 54%
×6story building
+12ft-82ft

Overall

14247

Males

9413

M55-59

9413

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14677

Males

9527

M55-59

9527

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13740

Males

9108

M55-59

9108

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2story building
+22ft-21ft

Overall

14139

Males

9305

M55-59

9305

Passing Analysis

Category:
Athletes Passed
1639
Passed By
1475
Net Change
+164
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13998
5K → 10K306274+32#13998#13966
10K → 15K184198-14#13966#13980
15K → 20K217133+84#13980#13896
20K → Half4223+19#13896#13877
Half → 25K112153-41#13877#13918
25K → 30K204167+37#13918#13881
30K → 20M95950#13881#13881
20M → 21M11460+54#13881#13827
21M → 35K5053-3#13827#13830
35K → 23M9072+18#13830#13812
23M → 24M6875-7#13812#13819
24M → 40K6286-24#13819#13843
40K → 25.2M2319+4#13843#13839
25.2M → Finish7267+5#13839#13834
TOTALS16391475+164
📊

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing